Linux Engineer

Society of Defense Financial Management; Fairfax, Northern (VA, KY); Hybrid; USD 130,000 - 220,000; Full time

Benefits offered by this job

401(k) matching

Benefits account

PTO 8 weeks

Health/Dental/Vision insurance

Life Insurance

Tuition reimbursement

Flexible working hours

Job summary

Society of Defense Financial Management seeks a Linux Engineer to administer and support enterprise Linux environments across physical, virtual, and cloud platforms in Fairfax, VA. The role focuses on OS upgrades, patching, security remediation, and collaboration with engineering teams to improve automation and scalability.

Ideal candidates have strong Linux administration skills (RHEL/CentOS/ Rocky), experience with enterprise-scale infrastructures, and scripting in Bash or Python.

Qualifications

• Strong Linux administration experience (RHEL/CentOS/Rocky or similar).
• Experience supporting enterprise-scale infrastructure environments.
• Scripting and automation with Bash, Python or similar.

Responsibilities

• Administering and supporting enterprise Linux environments.
• Maintaining infrastructure across physical, virtual and cloud-based platforms.
• Managing OS upgrades, patching and security remediation.
• Monitoring system performance, availability and capacity.
• Troubleshooting hardware, OS and network issues.
• Supporting deployments and infrastructure enhancements.
• Building, testing and validating server environments.
• Collaborating with engineering to improve automation, reliability and scalability.

Skills

Linux administration

Networking fundamentals

Troubleshooting

Security remediation

Tools

Kubernetes

Docker

VMware

Puppet

GitLab

GPFS/IBM ESS

Job description

Role: Linux Engineer

Location: Fairfax, VA

Salary: $130,000 - $220,000 + Benefits (Total Compensation up to $330,000)

Clearance: Active TS clearance

Benefits

• 25% Employer-funded 401(k) contribution
• Benefits Account worth 25% of base salary (take as benefits or additional compensation)
• 8 Weeks PTO (option to increase)
• Medical, Dental & Vision Insurance
• Life Insurance
• 100% tuition reimbursement (Degrees, Certifications & Professional Development)
• Flexible working hours

The Opportunity

We are looking for a Linux Engineer to join a specialist technology organization supporting mission-critical systems across the US Intelligence and National Security community.

As demand across several long-standing programs continues to grow, they are looking to add a Linux Engineer to their Fairfax, VA team. This is an opportunity to work in a large-scale enterprise environment supporting infrastructure that underpins some of the most technically challenging and important missions.

The role offers exposure to both traditional enterprise platforms and modern cloud-native technologies, making it ideal for someone who enjoys solving complex infrastructure problems while continuing to develop their technical skillset.

Responsibilites

• Administering and supporting enterprise Linux environments
• Maintaining infrastructure across physical, virtual and cloud-based platforms
• Managing operating system upgrades, patching and security remediation
• Monitoring system performance, availability and capacity
• Troubleshooting hardware, operating system and network-related issues
• Supporting application deployments and infrastructure enhancements
• Building, testing and validating new server environments
• Working closely with engineering teams to improve automation, reliability and scalability

What We're Looking For

• Strong Linux administration experience (RHEL, CentOS, Rocky Linux or similar)
• Experience supporting enterprise-scale infrastructure environments
• Scripting and automation skills using Bash, Python or similar
• Understanding of networking fundamentals including switching, subnets and VLANs
• Experience working with virtualized environments
• Knowledge of system security, hardening and vulnerability remediation
• Strong troubleshooting and problem-solving abilities
• Security+ or CISSP certification

Desirable Experience

• Kubernetes, Docker or containerized environments
• Cloud platforms and cloud-native architectures
• Puppet, GitLab or other configuration management tools
• GPFS / IBM ESS
• Directory services administration
• Enterprise storage technologies including SAN and Fibre Channel

Clearance Requirement

Applicants must hold an active TS clearance with SCI eligibility.

Keywords

Linux Administrator, Linux Systems Administrator, Systems Engineer, Infrastructure Engineer, Red Hat, RHEL, CentOS, Rocky Linux, Kubernetes, Docker, Cloud Engineer, DevOps, Puppet, GitLab, Python, Bash, VMware, Storage, SAN, Fibre Channel, TS Clearance, TS/SCI Eligible, Intelligence Community, Defense, Government Contracting.