Network Administration

Network Administration Cybersecurity Jobs

3 jobs found

28d ago

Networking and Cybersecurity Manager

Sheldon Independent School District Houston, TX

Houston, TX

28d ago

$71k+/yr Full time Manager Cybersecurity Leadership Cybersecurity Operations

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Job Description

Join Sheldon Independent School District as a Networking and Cybersecurity Manager in Houston, TX (onsite), where you will lead the district’s Network, Systems, and Cybersecurity functions. This role supports a secure and dependable technology environment for district priorities, with emphasis on documentation, reliability, and coordinated cybersecurity operations. The position is part of the Technology team and is based at the Network Operations Center.

What you’ll get

Minimum salary: USD 70,553 per year for fully certified teachers
Salary: commensurate with experience
Work calendar: 226 day calendar
Onsite role: requires in-person attendance and is not eligible for remote work

Key responsibilities

You will provide day-to-day leadership for district personnel supporting enterprise infrastructure and related platforms. Responsibilities include managing network and systems operations, ensuring the environment is secure, reliable, available, well-documented, and aligned with departmental standards.

Manage and provide day-to-day leadership for Network, Systems, and Cybersecurity functions and assigned personnel
Supervise network infrastructure work covering Aruba CX switching, wireless access points, Aruba Central, ClearPass appliances, Palo Alto firewalls, NETSCOUT platforms, Internet connectivity, and related services
Supervise systems infrastructure including backup and recovery, camera/video servers, physical and virtual servers, virtualization, storage, email archiving, email security and spam filtering, Skyward SIS, Google Workspace administration, Active Directory, identity services, certificates, and related enterprise systems
Oversee firewall services, secure remote access, network segmentation, access controls, privileged access, certificate management, and other infrastructure security controls
Implement and ensure staff adherence to technical standards, operating procedures, documentation requirements, and escalation paths established by the Director of Technology
Monitor infrastructure availability, performance, capacity, patching, configuration, lifecycle, and security needs; coordinate upgrades, replacements, troubleshooting, and remediation
Coordinate cybersecurity operations such as vulnerability management, endpoint protection, security monitoring, threat detection, incident investigation, containment, remediation, documentation, and escalation
Attend the Texas Education Agency (TEA) cybersecurity meeting monthly and communicate requirements, alerts, recommendations, and action items to Technology leadership and relevant staff
Oversee backup and recovery operations, including documentation and periodic testing of disaster recovery and business continuity procedures
Coordinate with hardware, software, telecommunications, cloud, infrastructure, and cybersecurity vendors; manage support escalations and assist with technical projects, proposals, and purchasing recommendations
Ensure technical documentation stays current, including diagrams, inventories, configurations, procedures, incident records, certificates, and related documentation
Assist Technology leadership with technology and cybersecurity policies, audits, assessments, compliance activities, required reporting, and long-range infrastructure planning
Provide technical guidance, coaching, training, and cross-training; participate in interviews, performance feedback, scheduling, and after-hours coverage
Serve as the Director’s designee in the Director’s absence (Assistant Director of Technology)
Perform other duties as assigned by the Director of Technology or the Assistant Director of Technology when designated

Required qualifications

Associate degree or above preferred from an accredited college or university in Computer Science, Information Technology, Computer Engineering, Computer Engineering Technology, Management Information Systems, Cybersecurity, or a closely related technology field
Must hold or obtain at least one industry-recognized certification in a preferred certification area within the first year of hire
Certifications in two or all three areas strongly preferred
5 (five) or more years of progressively responsible IT experience involving enterprise networking, systems administration, cybersecurity, data center, cloud, or related infrastructure
Strong knowledge of enterprise switching, routing, wireless networking, network access control, firewalls, Internet connectivity, network monitoring, and related infrastructure
Knowledge of enterprise servers, virtualization, storage, backup and recovery, identity and access management, cloud services, email security and archiving, certificates, and systems administration
Knowledge of cybersecurity operations including vulnerability management, endpoint security, threat detection, security monitoring, privileged access, incident response, and risk mitigation
Ability to supervise technical personnel, coordinate vendors and projects, maintain technical documentation, and communicate effectively with technical and nontechnical personnel
Ability to maintain confidentiality and respond to critical infrastructure or cybersecurity incidents outside normal work hours when required

Technologies you’ll work with

Aruba CX switches
HPE Aruba Networking Central (Aruba Central)
ClearPass appliances
Palo Alto firewalls
NETSCOUT platforms
Skyward SIS
Google Workspace administration
Active Directory
Microsoft email security and archiving (email archiving, email security and spam filtering)
Google Workspace
TEA cybersecurity meeting

Supervisory responsibilities

Supervise and evaluate assigned Network and Systems personnel and coordinate district cybersecurity operations
Provide work assignments, technical direction, coaching, performance feedback, staff development, and participate in hiring and personnel recommendations according to district procedures

Working conditions

Work performed in office, data center, network room, and school-campus environments with districtwide travel
May require irregular hours, planned after-hours maintenance, and response to critical infrastructure or cybersecurity incidents
Frequent computer use; occasional lifting or movement of technology equipment may be required

Application details

Date posted: 10/14/2026
Applications accepted through October 19, 2026; after this date, applications may continue to be accepted if a suitable candidate is not identified
If no viable candidate is selected from the initial pool, applications submitted after October 19th will be reviewed in five-day intervals until a candidate is recommended for hire

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1mo ago

Network Administrator (Cybersecurity-Focused)

EPIC Health System LLC Southfield, MI

Southfield, MI

1mo ago Closed

Full time Computer Network Defense Cyber Security Cybersecurity Operations

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

Job Description

EPIC Health System LLC is seeking a Network Administrator with a cybersecurity-focused mindset to help design, secure, and support its enterprise network infrastructure. This is a hands-on engineering role that combines day-to-day networking with threat detection and investigation, including Rapid7 (InsightIDR) support.

Based in Southfield, MI, this position is full-time and on-site. The team is currently not considering applications outside of Michigan, and the minimum experience requirement is 3 years.

Role focus

Design, deploy, monitor, and maintain LAN, WAN, VPN, wireless, and cloud-connected networks
Ensure performance, scalability, uptime, and security across the environment
Troubleshoot complex network and network security issues and lead root-cause analysis
Operate as a frontline defender against cyber threats by implementing and supporting security controls

Security and detection responsibilities

Implement security controls including IDS/IPS, segmentation, and zero-trust
Investigate threats using logs from firewalls, endpoints, and SIEM tools
Identify and remediate issues such as brute force attacks, VPN abuse, and DNS anomalies
Investigate alerts and help tune detections within InsightIDR
Maintain log ingestion from AD, servers, firewalls, and endpoints to support monitoring and investigations

Network engineering responsibilities

Own firewall architecture and policy design
Configure and manage WatchGuard firewalls
Troubleshoot site-to-site VPN issues (for example, Phase 1 up / Phase 2 down)
Deploy and manage the Rapid7 Insight Agent using GPO, scripts, or RMM

Required experience and qualifications

3–5+ years of hands-on network and security experience
Strong experience with firewalls, VPNs, and real-time troubleshooting
Solid knowledge of TCP/IP, DNS, DHCP, VLANs, routing, and VPNs
Experience with SIEM tools, with Rapid7 preferred
Familiarity with Active Directory and endpoint security
WatchGuard experience strongly preferred, with certification a plus
Preferred certifications: Security+, Network+, CCNA, or similar
Strong problem-solving and analytical skills
Ability to work independently in high-pressure environments
Detail-oriented approach with a security-first mindset
Clear communication and cross-team collaboration

Technology stack

Rapid7 (InsightIDR), Rapid7 Insight Agent
GPO, RMM
WatchGuard, IDS/IPS, SIEM
Active Directory, TCP/IP, DNS, DHCP, VLANs, VPN, zero-trust

Background checks are required for this role.

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1mo ago

Network, Systems & Cybersecurity Administrator

ES3 Clearfield, UT

Clearfield, UT

1mo ago Closed

Full time Active Directory Azure Azure Ad / Entra Id

This position is no longer accepting applications (closed Oct 24, 2026).

Job Description

ES3 is hiring a full-time, hands-on Network, Systems & Cybersecurity Administrator to support secure, reliable enterprise IT services in regulated federal environments as a U.S. Department of War (DoW) contractor. This onsite role in Clearfield, UT focuses on administering and troubleshooting enterprise networks and systems across Windows, macOS, Linux, cloud, identity and access, endpoint management, and security controls.

Role summary

In this position, you will configure and support network and security technologies while administering key platforms such as Microsoft 365, Azure, Microsoft Entra ID, Active Directory, and Intune. You will also manage the system lifecycle through patching and vulnerability remediation, maintain logging and monitoring, and assist with incident response and disaster recovery. Day-to-day work includes applying security requirements to operational IT activities in the Defense Industrial Base and balancing mission needs with cybersecurity and compliance objectives.

Responsibilities

Configure and support network and security technologies across enterprise environments
Administer Microsoft 365, Azure, Microsoft Entra ID, Active Directory, Intune, and related services
Support Windows and Apple endpoint environments
Automate routine administration tasks using PowerShell or comparable tools
Manage system lifecycle activities including patching, vulnerability remediation, logging, and monitoring
Assist with incident response and disaster recovery activities
Provide responsive technical support to staff across multiple locations
Apply how security requirements influence day-to-day IT operations in the Defense Industrial Base
Take ownership, work independently and collaboratively, adapt to changing priorities and technologies, and support projects or incidents as needed
Support operational needs outside normal business hours when required, including occasional evening or weekend work
Support the role effectively across multiple ES3 company locations
Contribute to continuous improvement of ES3’s IT environment using modern enterprise technologies and access to training and professional development

Required experience and qualifications

7+ years of current, directly relevant professional experience administering and supporting enterprise IT infrastructure, networks, systems, or cybersecurity in a production environment
Windows Server, Windows desktop, and macOS endpoint administration, including Microsoft 365 administration, identity and access, and modern endpoint management
Microsoft Entra ID and Active Directory, Intune or comparable modern endpoint management, and PowerShell automation
Familiarity with Group Policy and traditional domain-based administration is beneficial for hybrid or legacy environments
Core network services and technologies including TCP/IP, DNS, DHCP, routing, switching, VLANs, VPNs, firewall policy, wireless networking, and secure remote connectivity
Security-focused administration including hardening, patching, vulnerability remediation, endpoint protection, and logging and monitoring
Working knowledge of NIST SP 800-171 security requirements and controls relevant to protecting CUI and supporting CMMC compliance
Familiarity with applicable FAR and DFARS cybersecurity requirements
Experience with Microsoft Azure or comparable cloud administration, including hybrid identity and concepts around cloud security, resiliency, and backup and recovery
Experience with virtualization, enterprise backup, disaster recovery, and business continuity technologies and practices
Linux and macOS administration and troubleshooting in heterogeneous environments, including Apple hardware support, device configuration, endpoint security, software deployment, and lifecycle management
Experience with incident response, root-cause analysis, change and configuration management, technical documentation, and secure troubleshooting practices
Ability to prioritize and execute projects independently, coordinate with vendors, support end users, and collaborate across technical and business teams
U.S. Citizenship
Participation in a background investigation and ability to obtain a U.S. Government Security Clearance
Travel minimum to moderate, typically up to 2-3 days per month, with occasional travel to other company or customer locations as business needs require

Education

Bachelor’s degree in Cybersecurity, Computer Science, Information Technology, or a related discipline (preferred)
Candidates without a related degree must hold a current Security+ (or equivalent/higher) security credential and at least one additional role-relevant industry certification, along with substantial hands-on experience

Technologies

Microsoft 365, Azure, Microsoft Entra ID, Active Directory, Intune
PowerShell
TCP/IP, DNS, DHCP, routing, switching, VLANs, VPNs, firewall policy, wireless networking
NIST SP 800-171, CUI, CMMC
FAR, DFARS
Group Policy
Linux, macOS, Windows Server, Windows desktop
Virtualization, endpoint protection, logging and monitoring, SIEM, EDR/XDR
MFA, Conditional Access, privileged access, least privilege, Zero Trust
STIG, CIS
VoIP, unified communications, collaboration platform administration
Security and network-related certifications and tools listed include: CCNA, CCNP, CySA+, CASP+/SecurityX, CISSP

Benefits

Medical Insurance
Dental Insurance
Vision Insurance
Life Insurance
Disability Insurance
Flexible Spending Account and Health Reimbursement Account
Health Savings Account
Competitive Paid-Time-Off accrual
Holiday Pay
A generous matching 401k plan with up to 6% match and up to 2% profit sharing
Access to training opportunities

Work location and scheduling

Clearfield, UT (onsite); full-time and primarily onsite at ES3’s Utah operations
Qualified candidates located in Georgia may also be considered based on business needs and ability to support the role effectively
Participation in a shared after-hours support rotation is required, including occasional evening or weekend work for maintenance, deployments, outages, cybersecurity events, or other time-sensitive operational needs

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