Top 120 Cybersecurity lab network administrator Jobs

Linux Systems Administrator/Engineer
Crest Security Assurance —Newport, RI
- $125,000 - $130,000 a year
- Full-time
- Computer science
- Computer Science
- Engineering
- Relocation assistance
- Health insurance
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C3 Innovations, Inc. —Naval Air Station Patuxent River, MD
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Karhu Cyber —Houghton, MI
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Sys Admin & Dev Ops Engineer - Level 3
Northrop Grumman —Boulder, CO
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Cyber Security Associate
Govcio LLC —Air Force Academy, CO
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IT Systems Administrator - Onsite/Hybrid
iVenture Solutions —Jacksonville, FL
- $65,000 - $85,000 a year
- Full-time
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- 5 years
- Windows
- Driver's License
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Biomedical IoMT Specialist
Banner Health —Chandler, AZ
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Banner Health —Chandler, AZ
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Junior Fleet Support Specialist HOH Fellows | Career Accelerator Fellows | SkillBridge Candidates Only
General Dynamics Mission Systems, Inc —Port Orchard, WA
- Hybrid work
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Cybersecurity Lab Network Administrator
Rowan College at Burlington County —Mount Laurel, NJ
- $30 an hour
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Delan Associates, Inc —Lemont, IL
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- Mid-level
- Analysis skills
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Intelligent Technical Solutions —Remote
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IT SUPPORT TECHNICAN
Integrity Communications Solutions —Colorado Springs, CO
- $15.16 an hour
- Part-time
- Computer Science
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IT Technician Support
KATMAI —Quantico, VA
- $80,000 - $90,000 a year
- Full-time
- Computer science
- Microsoft Access
- Microsoft Outlook
- AD&D insurance
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TREW LLC —West Chester, OH
- Computer science
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- Computer Science
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Full-Time Faculty, Cybersecurity and Digital Forensics or Information Systems, (Open Rank) and Internship Director
Stevenson University —Stevenson, MD
- $80,000 - $95,000 a year
- Weekends as needed
- Classroom
- Doctoral degree
- Writing skills
Part-time Computer Technology Professor - Continuous Pool
Clark College —Vancouver, WA
- $93.18 an hour
- Part-time
- Background check
- Classroom
- Azure
- Disability insurance
- Health insurance
Software Administrator
CACI —Fayetteville, NC
- $60,100 - $123,200 a year
- Full-time
- System design
- Travel
- Organizational skills
- Health insurance
11d
System Administrator
Render Security Engineering LLC —Saint Inigoes Shores, MD
- $40,000 - $80,000 a year
- Full-time
- Computer Science
- Bachelor of Science
- Entry level
- Health insurance
- Dental insurance
Quick Apply

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Linux Systems Administrator/Engineer

Crest Security Assurance -
Newport, RI

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Job Details

Full-time | Contract
$125,000 - $130,000 a year
11 days ago

Benefits

Relocation assistance
Health insurance
Dental insurance
401(k)
Tuition reimbursement
Paid time off
Vision insurance
401(k) matching
Life insurance
Referral program

Qualifications

Containerization systems
DevSecOps Practices
Computer science
Content creation for technical audiences
Computer Science
Continuous Delivery (CD) implementation
Linux support
Tooling
Technical documentation
Network configuration
Secret Clearance
Bash
Information security compliance
Bachelor's degree
Systems engineering
Server virtualization
CompTIA Linux+
Agile
System development
DevOps automation
Cybersecurity
Network infrastructure management
Technical writing within technology
Linux administration
Python

Full Job Description

Linux Systems Engineer / Administrator

Location: Newport, RI
Clearance Requirement: Active Secret Clearance Required (Top Secret Preferred)
Travel: Approximately 5% CONUS travel with advance notice provided whenever possible
Relocation Assistance: Available

Position Overview: We are seeking a motivated and mission-focused Linux Systems Engineer / Administrator to support advanced tactical and cybersecurity-focused systems in a dynamic Department of Defense environment. The ideal candidate will possess strong Linux systems administration expertise, hands-on cybersecurity experience, and a willingness to work across systems engineering, platform hardening, automation, and operational support activities. This role supports the engineering, security, integration, and sustainment of mission-critical systems operating in complex networked environments. Candidates should be comfortable collaborating with cross-functional engineering teams, participating in technical reviews, and contributing to secure systems modernization efforts.

Responsibilities:

Administer, maintain, and secure Linux-based systems in operational and development environments
Implement and maintain Linux system hardening in accordance with DISA STIGs and cybersecurity best practices
Manage firewall configurations, networking services, privilege management, and access controls
Support systems engineering efforts by evaluating and implementing engineering changes and cybersecurity enhancements
Develop and maintain shell scripts and Python-based automation solutions to improve operational efficiency and system reliability
Assist with deployment and sustainment of containerized applications using Kubernetes or similar orchestration platforms
Participate in CI/CD pipeline development and maintenance including automated testing, SAST/DAST integration, and deployment workflows
Support cybersecurity assessments, vulnerability remediation activities, and RED TEAM exercises
Analyze penetration testing results and recommend mitigation or remediation strategies
Collaborate with engineering, cybersecurity, and operations teams during trade studies, integration efforts, and technical reviews
Provide on-site technical support during testing events, system installations, and fleet or vendor visits as required
Maintain documentation related to system configurations, engineering changes, security controls, and operational procedures
Develop and maintain technical documentation including system procedures, engineering artifacts, implementation plans, test plans, and test reports
Support system integration and Test & Evaluation (T&E) activities through test planning, execution support, documentation, and reporting
Coordinate with engineering and cybersecurity teams to document system changes, validation activities, and remediation efforts

Required Qualifications: Significant experience with Linux systems administration in enterprise or mission-critical environments

Strong understanding of:
Linux networking
Linux filesystems
Privilege and identity management
System hardening and STIG compliance
Bash shell scripting
Python programming

o Network enumeration

o Privilege escalation

Familiarity with CI/CD pipelines and DevSecOps concepts including:
Automated tooling
Unit testing
Static and dynamic application security testing (SAST/DAST)
Experience working in containerized environments using Kubernetes or equivalent orchestration tools
Ability to troubleshoot complex Linux systems and networking issues
Strong technical writing and verbal communication skills
Active Secret Security Clearance or eligibility for reinstatement
Experience managing and maintaining virtualized environments including virtual machine (VM) creation, configuration, administration, and lifecycle management

Preferred Qualifications

Advanced Linux expertise including:
Filesystem administration and manipulation
Encryption and key management
SELinux administration
ACL and IMA labeling
Experience supporting tactical networks, critical infrastructure, or defense systems
Experience working within a Scaled Agile Framework (SAFe) environment
Familiarity with undersea domain systems or submarine platforms
Prior experience supporting DoD cybersecurity initiatives or classified environments
Experience with virtualization technologies and VM management in enterprise or lab environments (VMware, KVM, VirtualBox, Hyper-V, or equivalent)

Education

Bachelor’s degree in Engineering, Information Systems, Computer Science, Cybersecurity, or related technical discipline preferred or equivalent military or industry experience may be considered in lieu of degree

Why Join Us: You will work alongside highly skilled engineers and cybersecurity professionals supporting mission critical defense systems that directly contribute to national security. This role offers opportunities for technical growth, hands-on operational support, and participation in cutting-edge cybersecurity and systems engineering initiatives.

Job Types: Contract, Full-time

Pay: $125,000.00 - $130,000.00 per year

Benefits:

401(k)
401(k) matching
Dental insurance
Health insurance
Life insurance
Paid time off
Referral program
Tuition reimbursement
Vision insurance

Compensation Package:

1099 contract
Bonus pay
Performance bonus
Signing bonus
Yearly pay

Education:

Bachelor's (Required)

Experience:

Cybersecurity: 1 year (Required)
Systems Engineering: 2 years (Required)
Linux Administration: 3 years (Preferred)

License/Certification:

CompTIA Linux+ (Required)

Security clearance:

Secret (Required)

Work Location: In person

Quick Apply

Refine Your Search

cybersecurity lab network administrator jobs

Linux Systems Administrator/Engineer

Linux Systems Administrator

Network Engineer

Systems Administrator

Sys Admin & Dev Ops Engineer - Level 3

Cyber Security Associate

IT Systems Administrator - Onsite/Hybrid

Biomedical IoMT Specialist

Biomedical IoMT Specialist

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Cybersecurity Lab Network Administrator

Vulnerability Analyst

CMMC Security Engineer (Hybrid)

IT SUPPORT TECHNICAN

IT Technician Support

Cybersecurity Administrator

Full-Time Faculty, Cybersecurity and Digital Forensics or Information Systems, (Open Rank) and Internship Director

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Software Administrator

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