United States

Cybersecurity Jobs in United States

1,660 jobs found

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Today

Senior Security Analyst

D.R. Horton Arlington, TX

Arlington, TX

Today

Full time Senior Cybersecurity Analysis Identity and Access Management

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Job Description

D.R. Horton is seeking a Senior Security Analyst to help keep business systems secure and running smoothly in an onsite role in Arlington, TX. In this full-time position, you will handle day-to-day IT security operations while also leading investigation, patching, and security project work, including weekly on-call coverage that involves Active Directory management, forensic operations, and other IT operations as needed.

Benefits include Medical, Dental and Vision, a 401(K), an Employee Stock Purchase Plan, Flex Spending Accounts, Life & Disability Insurance, and time off including Vacation, Sick, Personal Time and Company Holidays. The role also includes multiple voluntary and company-provided benefits.

Responsibilities

Handle daily tasks and routine processes required for IT security.
Lead efforts to address IT security concerns and help explain investigation results.
Apply expert knowledge to complex issues and delegate tasks to Security Analysts and Administrators.
Communicate outcomes of requests and security investigations to other IT Operations teams or employees.
Maintain and troubleshoot domain controllers, including Active Roles management.
Support Active Directory Federation Services (ADFS), including ADFS server maintenance, troubleshooting, and authentication work with IT Operations and Development teams.
Manage DNS zones, F5 DNS VIPs and pools, and Active Directory sites and subnets.
Manage domain trust configuration and Group Policy Management, including WMI Filters, GPO troubleshooting, and cleanup.
Perform patching operations, including research and preparation to address known vulnerabilities across company systems.
Research patch risk and value, report the Company risk rating across all layers of the environment, and coordinate with SCCM administrators to confirm patching is configured correctly.
Ensure required patches are installed on servers and workstations, and validate IT security applications function as designed after patching.
Support isolation and outbreak prevention of infected company systems.
Mitigate and block DDoS and other network attacks as needed, and conduct forensic investigations to determine root cause of compromises or exploited vulnerabilities.
Investigate infrastructure weaknesses and report malicious activity or potential risk.
Partner with security and IT operations team members for deployments and maintenance, and architect, plan, and implement assigned IT security projects.
Participate in a weekly call rotation and complete on-call response duties covering Active Directory management, Forensic Operations, and IT Operations as needed.
Mentor Security Analysts and Security Administrators, and help train team members on learned tasks related to the duties.
Write, assign, and deploy IT security projects, contribute to delegation as required, update senior members or managers on project status, and respond to escalated issues.
Provide detailed explanations of technical investigation results and incident outcomes.

D.R. Horton expects all work to be conducted in a professional and ethical manner to serve customers and increase goodwill and profit of the company.

Requirements

High school diploma or general education degree (GED).
Three to five years of experience in an IT related field.
Advanced knowledge of IT Security Operations and Forensic Operations.
Advanced knowledge of IT Networking and Network Security Operations.
Advanced knowledge of IT Infrastructure and Applications.
Advanced knowledge of cyber attackers and threat actor tactics.
Advanced experience with project management and delegation.
Advanced business communication and collaboration skills.
Advanced documentation skills, with the ability to work with teammates on projects and independently to complete assigned tasks.
Ability to interpret research into solutions for real problems and provide customer service skills.
Experienced mentoring and training skills.
Ability to apply common sense understanding to carry out instructions furnished in written or oral form or via DRH applications.
Proficiency with MS Office and email.
Attention to detail and ability to manage multiple responsibilities.
Bachelor’s degree in a Cyber Security discipline is preferred.

Other requirements: Ability to travel overnight.

On-Call & IT Operations Coverage

Monitor and assist with IT operational emergencies to help keep business applications operational.
Assist with IT operational tasks as needed.
Weekly rotation on-call schedule includes Active Directory Management, Forensic Operations, and IT Operations as needed.

Projects

Write, assign, and deploy IT security projects.
Contribute to project delegation or assign projects as required.
Update senior members or managers on project status.

Tools & Technologies

Active Directory
Active Roles
Active Directory Federation Services (ADFS)
DNS (Domain Name Service)
F5 DNS VIPs and pools
Active Directory Sites and Services
Group Policy Management
WMI Filters
GPOs
SCCM (System Center Configuration Manager)
MS Office
Email

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Today

Information Security Analyst

Archbold Medical Center Thomasville, GA

Thomasville, GA

Today

Full time Cybersecurity Tools Endpoint Security Identity and Access Management

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Job Description

Archbold Medical Center is hiring an Information Security Analyst for onsite support in Thomasville, GA 31792. In this role focused on IS Network Services, you will monitor the security landscape, respond to potential incidents, and help maintain the tools and processes that protect the organization’s network, systems, and endpoints.

You will also partner with IT and business units to align security operations with day-to-day needs, while supporting governance, vulnerability management, and security awareness activities. The position emphasizes staying current on emerging threats and practical mitigation techniques.

What you’ll do

Monitor network, systems, and endpoints for security threats using SIEM tools
Analyze logs, alerts, and anomalies to identify potential security incidents
Perform threat hunting to detect advanced threats
Lead initial triage and analysis of security incidents
Contain, eradicate, and recover from cyber threats
Conduct forensic analysis on compromised systems
Document incidents and complete post-incident reviews
Configure, tune, and maintain security tools including firewalls, IDS/IPS, and EDR
Integrate security solutions with existing IT infrastructure and assist with implementation of new technologies
Enforce access control policies and support identity governance, including privileged account review and investigation of anomalous activity
Support MFA and SSO implementations
Run regular vulnerability scans, assess risk, and work with system owners to remediate findings
Track and report on risk mitigation progress
Support audits and help ensure compliance with standards such as NIST and PCI-DSS
Maintain security documentation and procedures
Assist with data classification and protection initiatives
Support user training on cybersecurity best practices, including monitoring phishing simulation and awareness campaign results
Collaborate with IT and business units to align security with operations
Contribute to security architecture and planning discussions
Stay current with emerging threats and mitigation techniques

Minimum qualifications

2 years of experience in cyber security is required
CompTIA Security+ is required
CompTIA CYSA+ is required within the first year of employment
A Bachelor’s degree in computer science or an IT related degree is preferred

Preferred experience and certifications

PaloAlto certifications are preferred
3 to 5 years of experience in healthcare IT is preferred

Security and compliance technologies

SIEM, firewalls, IDS/IPS, EDR, MFA, SSO
NIST, PCI-DSS
CompTIA Security+, CompTIA CYSA+
PaloAlto

Benefits

Optimal opportunity for career growth within a growing organization
Medical and Dental
Retirement Plan
PTO and paid life insurance
Work/Life Balance
Health & Wellness Benefits
Low-Cost Prescriptions
Planning for the Future and planning for life’s unexpected moments
Helping you to advance your career

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Today

Sr. Network Security Analyst

Landstar System Holdings, Inc. Jacksonville, FL

Jacksonville, FL

Today

Full time Senior Cybersecurity Tools Incident Response

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Job Description

The Sr. Network Security Analyst role at Landstar System Holdings, Inc. focuses on investigating security event data, identifying potential threats, and supporting the ongoing development of IT security compliance policies and procedures.

Location and Work Arrangement

Jacksonville, FL (hybrid). The schedule is Monday through Friday, 8:00 AM to 5:00 PM, with one week on call rotation.

Schedule

Monday–Friday 8–5 with one week on call rotation.

Core Responsibilities

Investigate and analyze system logs and security event data to identify potential threats.
Evaluate systems and applications for vulnerabilities by scanning for risks and providing solutions.
Implement and maintain security tools designed to protect against cyber threats.
Partner with other IT teams to support secure configuration and system integrity.
Produce detailed security-related reports that include trends and metrics.
Remain current on security enhancements and recommend improvements to IT system owners.
Implement and support security solutions managed by the IT Security Team.
Assist with creating and modifying IT security policies and procedures, supporting compliance with industry standards.
Collaborate with business units to meet cybersecurity requirements in contractual agreements.

Required Qualifications

3 years of experience as an IT Security Analyst or Network Engineer.
Associate degree (A.A.) from a two-year college or technical school, or equivalent experience.
1 year experience with API development.
1 year experience in a Security Operations Center (SOC) environment.
Proven expertise in analyzing system logs and identifying security threats.
Strong understanding of cybersecurity principles and practices.

Preferred Qualifications

Relevant security certifications are highly preferred, such as CISSP, CISM, or CEH.

Benefits

Competitive compensation
Robust benefit plans including affordable medical plans
Employer 401(k) match
Paid time off
Tuition assistance

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Today

Senior OT Security Analyst

Fervo Energy Houston, TX

Houston, TX

Today

Full time Senior Data Security Facilities Management

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Job Description

Join Fervo Energy onsite in Houston, TX to help harden operational technology (OT) environments through technical controls, monitoring, and defensible security evidence.

Responsibilities

Strengthen the security and resilience of Fervo’s operational technology environments.
Collaborate with Operations, OT and controls engineering, project delivery, IT, enterprise cybersecurity, compliance, legal, and third parties to convert OT security program objectives into durable technical controls, operating processes, and defensible evidence.
Evaluate OT architectures and data flows to identify security gaps and improvement opportunities.
Support secure commissioning activities and change management processes.
Improve asset and configuration visibility across OT environments.
Govern remote access and vendor access for OT systems.
Develop monitoring capabilities and enhance incident-response readiness for OT.
Maintain risk and remediation records to support ongoing governance and follow-through.

Requirements

Experience applying NIST SP 800-82 Rev. 3.
Familiarity with IEC 62443.
Knowledge of NERC CIP governance.

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Today

Cyber Security Engineer

Paragon Cyber Solutions Crane, IN

Crane, IN

Today

Full time Engineer Incident Response Information Security

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Job Description

Paragon Cyber Solutions is seeking a Cyber Security Engineer (II) to support a critical defense program. This onsite role in Crane, IN focuses on implementing, monitoring, and improving enterprise cybersecurity controls while supporting security operations, threat detection, vulnerability management, and compliance activities.

Key Responsibilities

Implement and maintain cybersecurity controls across enterprise environments.
Support SIEM, EDR, IDS/IPS, and firewall technologies.
Participate in vulnerability management and remediation initiatives.
Perform security monitoring and analysis, and support incident response activities.
Assist with threat modeling and risk assessments.
Maintain secure system configurations and security baselines.
Support compliance efforts aligned with NIST, CIS, and organizational policies.
Investigate security alerts and assist with threat hunting.
Participate in security tool deployment and optimization projects.
Create technical documentation and operational procedures.

Required Qualifications

Ability to obtain and maintain a Secret security clearance.
Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, or related field, or an equivalent combination of education and experience.
2 to 4 years of cybersecurity engineering experience.
Experience supporting security operations and implementing security controls.
Experience supporting the Risk Management Framework (RMF) for DoD information systems.
Experience developing or updating RMF and security authorization documentation, including SSP, RAR, SAP, SAR, POA&M, IRP, CP, SOPs, and CMPs.
Working knowledge of FISMA, FIPS, NIST, DoDI 8510.01, DoDI 8500.01, and related cybersecurity guidance.
Familiarity with SIEM platforms.
Familiarity with IDS/IPS technologies.
Familiarity with EDR solutions.
Familiarity with firewall platforms.
Understanding of threat modeling, vulnerability management, and secure configuration baselines.
Knowledge of NIST Cybersecurity Framework, CIS Controls, and security compliance frameworks.
Security certifications such as Security+, CISSP, or similar industry-recognized certifications.

Technologies and Frameworks

SIEM, EDR, IDS/IPS, firewall
Risk Management Framework (RMF), DoD information systems
NIST, FISMA, FIPS
DoDI 8510.01, DoDI 8500.01
NIST Cybersecurity Framework, CIS Controls
SSP, RAR, SAP, SAR, POA&M, IRP, CP, SOPs, CMPs
Security+, CISSP

Benefits

Health Care Plan (Medical, Dental & Vision)
Retirement Plan (401K w/ employer matching)
Paid Time Off & 11 Paid Holidays
Short and Long-Term Disability
Healthy Work-Life Balance
Training & Development

Preferred Qualifications

Security certifications such as Security+ and CISSP
Similar industry-recognized certifications

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Today

Principal Cloud Security Engineer

Rocket Lab Corporation Long Beach, CA

Long Beach, CA

Today

$152k - $165k/yr Full time Aws Security Azure Security Cloud

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Job Description

The Principal Cloud Security Engineer will help secure Rocket Lab’s cloud footprint across vendor services, code pipelines, and automation. This onsite role in Long Beach, CA focuses on building and maintaining security controls, performing risk-focused assessments, and supporting IAM, compliance, incident response, and DevSecOps/MLOps practices.

Role Focus

Own the design, development, and ongoing maintenance of security controls for hybrid cloud environments, spanning IaaS, PaaS, SaaS, and FaaS. Partner with teams across development and operations to reduce risk in public cloud deployments, CI/CD pipelines, and agentic systems while strengthening overall security posture.

Responsibilities

Design, implement, and maintain security controls for hybrid cloud-based environments, including IaaS, PaaS, SaaS, and FaaS solutions.
Design and develop custom automation aligned with the cyber team objectives.
Provide security support for internal and external design reviews related to security.
Conduct security assessments and risk analyses to identify vulnerabilities and develop mitigation strategies for automated infrastructure such as public cloud, CI/CD pipelines, and agentic systems.
Collaborate with Infrastructure Operations to implement and manage identity and access management (IAM) solutions for controlling access to cloud resources and applications.
Develop documentation, plans, and proofs of concept for cybersecurity-related platform improvements.
Configure and monitor cloud security tools and services.
Collaborate with development teams to integrate security best practices into the software development lifecycle (SDLC), DevOps, and MLOps processes.
Maintain systems to stay current on emerging threats, vulnerabilities, and DevSecOps/MLOps industry best practices, and recommend proactive measures to enhance security posture.
Provide guidance and support to internal teams on security-related matters, including incident response, compliance, and security awareness training.
Participate in regular security audits, assessments, and compliance reviews to ensure adherence to regulatory requirements and industry standards.

Requirements

12+ years of experience in scripting languages (for example: Bash, PowerShell, Python) and configuration management and infrastructure as code tools (for example: Puppet, Ansible, Terraform).
Bachelor’s degree or equivalent years of work experience (16+ years of total work experience).
Proven experience in cloud security architecture, design, and implementation across major cloud platforms (AWS, Azure, Google Cloud).
Hands-on experience with cloud security tools and services, such as AWS Security Hub, Azure Security Center, and Google Cloud Security Command Center.
Experience operating within US Government compliance regimes, including CMMC, NIST, and DISA STIG, along with ITIL/Change Review systems.
Proficiency in vulnerability management systems (for example: Tenable, Bringa) and CLI scanning tools (for example: Trivy, OpenSCAP).
Extensive experience with git-driven version control systems (for example: GitHub, GitLab, Bitbucket).
Strong understanding of networking concepts, encryption techniques, and secure communication protocols.
Experience with databases (for example: PostgreSQL, SQLite) and data formats (for example: Parquet, Arrow).
Proficiency in analytics systems (for example: PowerBI, Jupyter) and vendor-agnostic assessment engines (for example: Cloud Custodian, Panther).
U.S. citizenship is required due to program requirements.

Nice to Have

Advanced degree in computer science, information technology, cybersecurity, or equivalent career experience.
Involvement with community cybersecurity organizations.
Experience with AWS GovCloud / Azure GCC High.
Experience with CI/CD pipeline security.
Experience with Tier 2 cloud vendors.
Experience with hybrid cloud engineering.
Experience with SAST and DAST testing.
Experience with secrets management tools such as vaults and HSMs.
Experience with cloud incident response and forensics.
Experience with log aggregators such as Graylog, ELK, or Splunk.

Technologies

Bash, PowerShell, Python, Puppet, Ansible, Terraform
AWS, Azure, Google Cloud
AWS Security Hub, Azure Security Center, Google Cloud Security Command Center
CMMC, NIST, DISA STIG, ITIL
Tenable, Bringa, Trivy, OpenSCAP
GitHub, GitLab, Bitbucket
PostgreSQL, SQLite, Parquet, Arrow
PowerBI, Jupyter, Cloud Custodian, Panther
IaaS, PaaS, SaaS, FaaS, CI/CD, SDLC, DevOps, MLOps, DevSecOps, IAM

Compensation and Location

Location: Long Beach, CA (onsite)
Salary: USD 152,300 - 165,000 per year

Additional Information

For US offices: Rocket Lab employees must be a U.S. citizen, lawful U.S. permanent resident (current Green Card holder), lawfully admitted into the U.S. as a refugee or granted asylum, or eligible to obtain required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable.
Reasonable accommodation requests for the application/interview process in the United States should be directed to Giulia Johnson at g.biow@rocketlabusa.com.
A response to your request may take up to two business days.
For New Zealand offices: background checks will be undertaken prior to employment offers, including nationality checks, due to eligibility requirements tied to equipment and data regulated by the United States' International Traffic in Arms Regulations.
Under those regulations, eligibility may be limited based on citizenship or ineligible dual citizenship or nationality.

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Today

Information Systems Security Engineer

MetroStar Reston, VA

Reston, VA

Today

$180k+/yr Full time Application Security Container Security Cybersecurity Tools

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Job Description

MetroStar is hiring a Senior Information Systems Security Engineer (ISSE) II to help protect containerized platforms and DevSecOps workflows. This Reston, VA onsite role focuses on building and operating cybersecurity controls, strengthening compliance, and improving how teams detect, assess, and respond to security threats.

Compensation: USD 180,000 per year (salary range listed as $180,000 - $200,00). Applicants may also be eligible for bonuses and/or additional incentives based on individual and company performance.

Responsibilities

Act as a security engineering SME for containerized environments, including service mesh technologies and microservices.
Design, implement, and manage security controls for containerized workload solutions, including image scanning firewalls, intrusion detection and prevention, endpoint protection, encryption mechanisms, runtime protection, RBAC, and network segmentation.
Embed security into CI/CD pipelines and DevSecOps workflows while ensuring alignment with RMF, NIST SP 800-53, ICD 503, and FedRAMP requirements.
Configure and optimize security monitoring and logging solutions and work with container security tooling such as Prisma Cloud (or similar).
Monitor network traffic, system logs, and security alerts to detect and respond to potential incidents, including investigating anomalies and breaches to mitigate risk.
Monitor and assess threat intelligence feeds, perform threat analysis, and conduct risk assessments to identify emerging threats and vulnerabilities.
Collaborate with platform engineers, ISSOs, developers, and other cross-functional teams to establish and enforce security policies, standards, and procedures across the system lifecycle.
Perform regular security assessments of container orchestration platforms, microservices, and APIs, then recommend mitigations for identified weaknesses.
Develop and implement incident response plans to address security breaches and related concerns.
Maintain thorough documentation for security architecture processes, control implementation procedures, configurations, and continuous monitoring strategies, including reporting on findings and actions taken.

Requirements

Bachelor’s degree in Computer Science, Information Security, or a related field.
7+ years of experience as a cybersecurity engineer specializing in designing and implementing required security controls and performing continuous monitoring and auditing for compliance.
Hands-on experience securing containerized/Kubernetes environments (with OpenShift preferred).
Strong skills specifying and implementing log collection into tools such as Splunk, including querying and analysis of aggregated logs to identify security-relevant anomalies or risks.
Strong experience designing and implementing required security controls, including NIST SP 800-53, RMF, ICD 503, FISMA, and FedRAMP, along with continuous monitoring and auditing for control compliance.
Experience implementing controls for cloud, container, and DevSecOps services in IL5 to IL6+ environments.
Strong understanding of network protocols, operating systems, and infrastructure components.
Experience performing periodic security checks (Daily, Weekly, Monthly) aligned with continuous monitoring under the NIST Risk Management Framework.
Proficiency in incident response, security incident handling, and forensic analysis techniques.
Experience with security tools such as Fortify, Acunetix, and Prisma Cloud.
Effective communication skills to explain complex technical concepts to technical and non-technical stakeholders.
CISSP or equivalent certification to support DoD 8140 requirements.
Active TS//SCI clearance with CI poly.

Technologies

Kubernetes, OpenShift, service mesh technologies
Prisma Cloud, Splunk, Fortify, Acunetix
CI/CD, DevSecOps, RBAC

Benefits

Health, dental, and vision insurance
401(k) retirement plan with company match
Paid time off (PTO) and holidays
Parental Leave and dependent care
Flexible work arrangements
Professional development opportunities
Employee assistance and wellness programs

Application deadline: Applications will be accepted on a rolling basis until the position is filled; candidates are encouraged to apply as early as possible for full consideration.