Dahlgren, VA

Cybersecurity Jobs in Dahlgren, VA

6 jobs found

Include remote jobs

12d ago

Systems Security Engineer

Bowhead Dahlgren, VA

Dahlgren, VA

12d ago

$110k - $135k/yr Full time Engineer Information Security InfoSec

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Job Description

Bowhead is seeking a Systems Security Engineer (Cybersecurity/Quarantine Release) to support security engineering efforts from an onsite location in Dahlgren, VA. The role focuses on finding and reducing vulnerabilities across systems, networks, and operating environments, with an emphasis on assessments, hardening, and risk-driven remediation.

Working with DoD-aligned tooling and security principles, you will help translate vulnerability and configuration data into practical insights for improving an organization’s risk management posture, including impact and risk assessments and troubleshooting of cyber defense infrastructure anomalies.

Responsibilities

Perform vulnerability scans and recognize vulnerabilities in security systems.
Use DoD network analysis tools to identify vulnerabilities (for example, ACAS and HBSS).
Conduct application vulnerability assessments.
Identify systemic security issues by analyzing vulnerability and configuration data.
Share meaningful insights that reflect the context of an organization’s threat environment to strengthen its risk management posture.
Apply cybersecurity and privacy principles to organizational requirements, including confidentiality, integrity, availability, authentication, and non-repudiation.
Troubleshoot and diagnose anomalies in cyber defense infrastructure and work through resolution.
Complete impact/risk assessments.
Apply host and network access controls (such as an access control list).
Support network protection against malware using approaches such as NIPS, anti-malware, restricting or preventing external devices, and spam filters.
Complete other duties as assigned.

Requirements

High School Diploma required; a bachelor’s degree is highly desired.
3 to 5 years of relevant experience required.
Knowledge of computer networking concepts and protocols, along with network security methodologies.
Knowledge of network security architecture concepts, including topology, protocols, components, and principles such as defense-in-depth and zero trust.
Knowledge of basic system, network, and OS hardening techniques.
Knowledge of Intrusion Detection System (IDS) and Intrusion Prevention System (IPS) tools and applications.
Knowledge of network protocols including TCP/IP, Dynamic Host Configuration, DNS, and directory services.
Knowledge of application vulnerabilities.
Knowledge of system administration and hardening techniques for networks and operating systems.
Knowledge of operating system concepts across environments such as Unix/Linux, IOS, Android, and Windows.
Must meet DoD 8570 Information Assurance Technical Level II certification requirements at the time of hire.
Must currently hold a Top Secret security clearance.
US Citizenship is required for Top Secret clearance at this location.

Technologies

ACAS, HBSS, NIPS, anti-malware
Intrusion Detection System (IDS), Intrusion Prevention System (IPS) tools and applications
DoD network analysis tools
TCP/IP, Dynamic Host Configuration, DNS
Unix/Linux, IOS, Android, Windows
Virtual Private Network (VPN), encryption
Access control list
DoD 8570 Information Assurance Technical Level II certification requirements

Preferred Skills

Knowledge of cyber threats and vulnerabilities.
Knowledge of the operational impacts of cybersecurity lapses.
Knowledge of host/network access control mechanisms (for example, access control list and capabilities list).
Knowledge of cybersecurity and privacy principles tied to organizational requirements such as confidentiality, integrity, availability, authentication, and non-repudiation.
Knowledge of network traffic analysis methods.
Knowledge of VPN security.
Knowledge of transmission records and jamming techniques that enable undesirable information transmission or prevent installed systems from operating correctly (including Bluetooth, RFID, Infrared Networking, Wi-Fi, paging, cellular, satellite dishes, and VoIP).
Knowledge of network access, identity, and access management (including public key infrastructure, OAuth, OpenID, SAML, SPML).
Knowledge of system and application security threats and vulnerabilities such as buffer overflow, mobile code, cross-site scripting, PL/SQL and injection attacks, race conditions, covert channel, replay, return-oriented attacks, and malicious code.
Knowledge of classes of attacks including passive, active, insider, close-in, and distribution attacks.
Knowledge of application security risks.

Physical Demands

Must be able to lift up to 10-20 pounds or more.
Must be able to stand and walk for prolonged amounts of time.
Must be able to twist, bend, and squat periodically.

Location: Dahlgren, VA (onsite). Salary: USD 110,000 - 135,000 per year. Minimum experience: 3 years.

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14d ago

Cybersecurity - Security Control Assessor Representative (SCA-R)

Five Stones Research Corporation / 5SRC Dahlgren, VA

Dahlgren, VA

14d ago

$160k - $200k/yr Full time Cyber Risk Assessment Cybersecurity Tools Dod Risk Management Framework

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Job Description

Full-time cybersecurity Security Control Assessor Representative (SCA-R) opportunity in Dahlgren, VA supporting assessments and controls validation activities.

Responsibilities

Lead data gathering, research, and analysis while performing threat, vulnerability, risk, and maturity assessments.
Apply critical thinking to create plans for improving a risk management-related program and contribute to ongoing innovation and improvement.
Independently conduct Cybersecurity Controls Validation Test events and perform cybersecurity assessment of system authorization packages.
Independently execute cybersecurity risk assessment tasks and cybersecurity assessment of software and hardware.
Develop plans to support Controls Validation Test events.
Perform security inspections (or support inspections), identify security discrepancies, and prepare reports.
Prepare and deliver briefings to SCA/AO.
Prepare various forms required for assigned duties.
Perform courier duties within the continental United States (CONUS).
Conduct objective reviews of documentation encountered during performance of duties.

Requirements

Bachelor’s degree in Computer Science, Information Systems, Engineering, or related field.
15+ years of cybersecurity field experience.
DoD 8570.01-M Information IAT III or IASAE III prior to accepting position.
Extensive experience with Risk Management Framework (RF) / JSIG and cybersecurity risk assessment.
Ability to independently execute:
- Cybersecurity Controls Validation Test events
- Cybersecurity assessment of software and hardware
- Cybersecurity Risk Assessment tasks
Ability to obtain indoctrination into Special Access Programs.
Four (4) years’ experience (in addition to minimum experience requirements) may substitute for a Bachelor’s degree.

Technologies

Risk Management Framework / JSIG
DoD 8570.01-M
Information IAT III
IASAE III

Benefits

401(k) Matching
Company Events
Dental Insurance
Employee Recognition Programs
Health Insurance
Life Insurance
Paid Time Off
Parental Leave
Performance Incentives
Student Loan Repayment
Tuition Reimbursement
Vision Insurance

Job Details

Position type: Full-Time
Location: Dahlgren, VA (onsite)
Travel: Some expected, 25%
Salary: USD 160,000 - 200,000 per year
Work authorization: U.S. Citizenship required
Clearance: Department of Defense (DoD) Top Secret (TS) / SCI

Education

Bachelors or better in STEM or related field

Experience

15 year(s): Cybersecurity field experience
Extensive Risk Management Framework / JSIG and cybersecurity risk assessment experience
Ability to obtain indoctrination into Special Access Programs

Licenses & Certifications

TS/SCI
IAT Level III Cert

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20d ago

Systems Security Engineer (Cybersecurity Analyst)

Bowhead Dahlgren, VA

Dahlgren, VA

20d ago

$140k - $150k/yr Full time Cybersecurity Tools Dod Cybersecurity Work Endpoint Security

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Job Description

Bowhead is seeking a Systems Security Engineer (Cybersecurity Analyst) to support onsite operations in Dahlgren, VA. In this role, you will help identify and mitigate vulnerabilities across security systems by leveraging vulnerability scanning, hardening practices, and risk-focused analysis.

The position centers on evaluating security posture through vulnerability and configuration data, conducting application assessments, and troubleshooting cyber defense infrastructure anomalies. You will also produce risk/impact assessments and translate findings into insights that strengthen an organization’s risk management posture while applying cybersecurity and privacy principles tied to confidentiality, integrity, availability, authentication, and non-repudiation.

What you will do

Run vulnerability scans and identify vulnerabilities across security systems.
Use DoD network analysis tools to identify vulnerabilities (including ACAS and HBSS).
Perform application vulnerability assessments.
Identify systemic security issues based on vulnerability and configuration data.
Provide meaningful insights tied to an organization’s threat environment to improve its risk management posture.
Apply cybersecurity and privacy principles to organizational requirements, including confidentiality, integrity, availability, authentication, and non-repudiation.
Troubleshoot and diagnose cyber defense infrastructure anomalies and work through resolution.
Conduct impact and risk assessments.

Minimum qualifications

Bachelor’s degree required.
5+ years of systems engineering experience.
Knowledge of computer networking concepts and protocols, plus network security methodologies.
Knowledge of network security architecture concepts, including topology, protocols, components, and defense-in-depth and zero trust principles.
Knowledge of basic system, network, and OS hardening techniques.
Knowledge of IDS/IPS tools and applications.
Knowledge of network protocols including TCP/IP, Dynamic Host Configuration, DNS, and directory services.
Knowledge of application vulnerabilities.
Knowledge of system administration and operating system hardening techniques, including Unix/Linux, IOS, Android, and Windows.
Skill conducting vulnerability scans and recognizing vulnerabilities in security systems.
Skill using DoD network analysis tools to identify vulnerabilities (e.g., ACAS, HBSS).
Skill applying system, network, and OS hardening techniques (for example: removing unnecessary services, password policies, network segmentation, enabling logging, and least privilege).
Ability to conduct application vulnerability assessments and identify systemic security issues from vulnerability and configuration data.
Ability to communicate threat-environment context and apply cybersecurity and privacy principles to organizational requirements.
Ability to troubleshoot and diagnose cyber defense infrastructure anomalies and work through resolution.
Skill in applying host/network access controls (for example, access control list) and understanding host/network access control mechanisms.
Knowledge of network traffic analysis methods.
Knowledge of VPN security, encryption, and VPN devices.
Knowledge of transmission records (including Bluetooth, RFID, IR, Wi-Fi, paging, cellular, satellite dishes, and VoIP) and jamming techniques that enable transmission of undesirable information or prevent installed systems from operating correctly.
Knowledge of network access, identity, and access management concepts including public key infrastructure, OAuth, OpenID, SAML, and SPML.
Knowledge of system and application security threats and vulnerabilities (including buffer overflow, mobile code, cross-site scripting, PL/SQL and injections, race conditions, covert channel, replay, and return-oriented attacks).
Knowledge of classes of attacks (such as passive, active, insider, close-in, and distribution attacks).
Knowledge of application security risks.

Tools and technologies

ACAS (Tenable Assured Compliance Assessment Solution)
HBSS (Trellix Endpoint Security System / previously McAfee Host Based Security System)
IDS, IPS
TCP/IP, Dynamic Host Configuration, DNS
Unix/Linux, IOS, Android, Windows
VPN, encryption
NIPS, anti-malware, spam filters
Access control list, host/network access control mechanisms
Transmission records and related concepts: Bluetooth, RFID, Infrared Networking, Wi-Fi, paging, cellular, satellite dishes, VoIP
Public key infrastructure, OAuth, OpenID, SAML, SPML

Physical demands

Must be able to lift 10-25 pounds or more.
Must be able to stand and walk for prolonged amounts of time.
Must be able to twist, bend, and squat periodically.

Security clearance

Must currently hold a Top Secret security clearance.
US Citizenship is required for Top Secret clearance at this location.

Salary

$140,000 - $150,000 per year, based on qualifications and experience.

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1mo ago

Cybersecurity Specialist IAT II Intermediate

Five Stones Research Corporation / 5SRC Dahlgren, VA

Dahlgren, VA

1mo ago Closed

$117k - $142k/yr Full time Cybersecurity A&a Cybersecurity Tools Information Security

This position is no longer accepting applications (closed Oct 29, 2026).

Job Description

Five Stones Research Corporation (5SRC) is seeking a Cybersecurity Specialist IAT II Intermediate to support enclave security activities in Dahlgren, VA on-site. This full-time role centers on accreditation and authorization support, security control testing, and ongoing Plan of Action and Milestone (POA&M) management in eMASS, with clear expectations around documentation, evidence gathering, and troubleshooting of enclave cybersecurity issues.

The position requires an Active Department of Defense (DoD) Secret clearance with eligibility for Top Secret, along with IAT II certification prior to accepting the role. Candidates must also meet tool and certification timelines tied to required cybersecurity technologies.

Key Responsibilities

Apply cybersecurity policy, tools, and procedures to mitigate system vulnerabilities.
Gather, develop, and update artifacts that support system Accreditation and Authorization (A&A) processes.
Prepare artifacts and evidence used to build an authorization package.
Evaluate and assess the effectiveness of security controls through testing and supporting documentation.
Manage Plan of Action and Milestone (POA&M) items in eMASS.
Submit eMASS workflows related to authorization and security processes.
Use knowledge of standard cybersecurity concepts, practices, and procedures to complete enclave security goals.
Support, monitor, test, and troubleshoot hardware and software cybersecurity problems within the enclave environment.
Work with extensive experience and judgment to plan and accomplish enclave security objectives.
Operate under general supervision, typically reporting to the network manager / government cyber manager.

Required Qualifications

Education: Bachelor’s degree in STEM / cyber-related field (or equivalent) from an accredited institution, plus at least 5 years of cyber technical experience.
Alternative: Bachelor’s degree outside STEM/cyber with 7 years of DoD cyber technical experience and demonstrated knowledge in missile defense related or other complex, large DoD programs/projects.
Alternative: Associate degree in STEM/cyber with 10 years of DoD cyber experience and demonstrated knowledge in cyber and missile defense related or other complex, large DoD programs/projects.
IAT II certification prior to accepting the position.
Technical certification or 2 years’ experience with McAfee Endpoint Security, Assured Compliance Assessment Solution (ACAS), Splunk, and/or experience implementing network/enclave/system security toolsets, including reviewing technical assessment reports and prioritizing technical corrective actions.
Achieve certification in required tools within 6 months of position acceptance.
Security clearance: Active DoD Secret clearance with eligibility for Top Secret.
Citizenship: U.S. citizenship required.

Technologies

eMASS
McAfee Endpoint Security
Assured Compliance Assessment Solution (ACAS)
Splunk

Benefits

401(k) Matching
Company Events
Dental Insurance
Employee Recognition Programs
Health Insurance
Life Insurance
Paid Time Off
Parental Leave
Performance Incentives
Student Loan Repayment
Tuition Reimbursement
Vision Insurance

Travel

Some travel expected (10%).

Preferred Experience

Experience in technical review, management, or assessment of software, cloud, firewalls, network defense, ports, protocols, and services management, and/or DevSecOps.

Salary Range: $117,000 - $142,000 per year.

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1mo ago

Junior Naval Systems Security Engineer

Amentum Dahlgren, VA

Dahlgren, VA

1mo ago Closed

$90k - $105k/yr Full time Engineer Information Security InfoSec

This position is no longer accepting applications (closed Oct 18, 2026).

Job Description

Dahlgren, VA (onsite) and an opportunity to support Navy surface major weapon, combat, and/or fire control systems through systems security engineering. This Junior Naval Systems Security Engineer role at Amentum focuses on protecting critical technologies through strong documentation, requirements, and the integration of hardware and software security measures.

What You Can Expect

You will assist with systems, technical, and security engineering methodologies and services, contributing to secure system design and integration. The work centers on Systems Security Engineering (SSE) and Program Protection documentation, including requirements derivation and coordination of impacts across internal and external stakeholders.

Responsibilities

Support the development, integration, and management of complex Naval surface weapons and combat defense systems.
Create system design and system integration documentation for weapons control systems and surface combat, control, and/or situational awareness systems.
Design and implement SSE measures and techniques intended to prevent or delay unauthorized access to critical technologies.
Integrate hardware and software protection into major weapons, combat, and/or fire control systems to deter exploitation.
Develop Program Protection Plans (PPP) and other security-related documentation.
Perform requirements derivation, allocation, and management for weapon control systems and external interfaces.
Coordinate impacts of proposed system changes with internal and external organizations and system stakeholders.

Requirements

Bachelor of Science (BS) degree from an accredited college or university in an engineering, scientific, or technical discipline.
Two (2) years of experience in an engineering/science discipline, OR two (2) years of experience in program analysis in one or more of the following areas: major weapon, combat, and/or fire control systems programs; requirements definition; system design parameters; concepts of operation; risk assessment; producibility studies/analyses; performance analyses; test and evaluation; or post-delivery support.
Must have an active Secret U.S. Government clearance. Note: U.S. citizenship is required to obtain a Secret clearance.

Technologies and Standards

AEGIS Combat System
DoDI 5000.02
DoDI 5000.83
DoDI 5200.39
DoDI 5200.44
DoDI 5200.47E

Benefits

Health, dental, and vision insurance
Paid time off and holidays
Retirement benefits (including 401(k) matching)
Educational reimbursement
Parental leave
Employee stock purchase plan
Tax-saving options
Disability and life insurance
Pet insurance

Compensation

US: $90,000 to $105,000 per year.

Preferred Qualifications

Experience with Systems Security Engineering (SSE) measures and techniques.
Demonstrated experience working within AEGIS Combat System environments, including familiarity with AEGIS system architecture, integration, testing, operations, or lifecycle support.
Experience with DoDI 5000.02, DoDI 5000.83, DoDI 5200.39, DoDI 5200.44, and DoDI 5200.47E.

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3mo ago

Red Team Penetration Tester (TS/SCI REQUIRED)

DirectViz Solutions, LLC Dahlgren, VA

Dahlgren, VA

3mo ago Closed

$133k - $157k/yr Full time Senior Active Directory Cybersecurity Tools

This position is no longer accepting applications (closed Aug 28, 2026).

Job Description

DirectViz Solutions, LLC seeks a Red Team Penetration Tester III with active TS/SCI clearance for on-site work in Dahlgren, VA, with compensation in the range of USD 133,000 to 157,000 per year.

Responsibilities

Plan, execute, and document complex red team operations and penetration assessments.
Simulate advanced persistent threat behaviors to evaluate enterprise defenses.
Develop and utilize tools such as Metasploit, NMAP, Kali Linux, and Cobalt Strike to support engagements.
Conduct exploit development and scripting to mirror threat actor capabilities.
Identify gaps in security tools, processes, and defensive technologies.
Work across Linux, Windows, and macOS environments.
Use Active Directory to model lateral movement and privilege escalation scenarios.
Program or script in at least two languages (examples: Python, C++, Java, Rust, Assembly, C#).
Collaborate with Blue Teams and SOC personnel to communicate findings and remediation recommendations.

Requirements

Bachelor's degree in Cybersecurity, Cyber Operations, Cyber Engineering, Information Systems, Information Technology, Computer, Electrical, or Electronics Engineering, Software Engineering, Computer Science, Mathematics with a CS concentration, or equivalent.
CSSP Auditor certification.
OSCP certification.
OSCE certification.
OSEE certification.
OSWP certification.
Seven years of full-time experience conducting penetration testing or offensive cyber operations.
Experience developing and using penetration tools such as Metasploit, NMAP, Kali Linux, and Cobalt Strike.
Experience mimicking threat behavior.
Experience with multiple operating systems (Linux, Windows, macOS).
Experience utilizing Active Directory.
Experience in exploit development.
Experience identifying gaps in tools and development techniques.
Experience developing with at least two scripting or programming languages (examples: Python, C++, Java, Rust, Assembly, C#).
TS/SCI clearance.

Technologies

Metasploit
NMAP
Kali Linux
Cobalt Strike
Python
C++
Java
Rust
Assembly
C#
Linux
Windows
Mac OS
Active Directory

Benefits

Competitive compensation
Comprehensive medical benefits
401(k) match
Generous PTO accrual
Professional development reimbursement
Corporate-funded technology certifications
Robust employee recognition programs

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Cybersecurity Jobs in Dahlgren, VA

Systems Security Engineer

Cybersecurity - Security Control Assessor Representative (SCA-R)

Systems Security Engineer (Cybersecurity Analyst)

Cybersecurity Specialist IAT II Intermediate

Junior Naval Systems Security Engineer

Red Team Penetration Tester (TS/SCI REQUIRED)

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