System Administrator

ASEC • Patuxent River, MD

8d • $120,000 - $140,000 • Onsite

About The Position

As the System Administrator , you will be responsible for ensuring secure configurations, producing accreditation artifacts, and maintaining hardened baselines — all with a focus on reliability and long-term system assurance. The ideal candidate is not only technically strong, but also thoughtful, process-oriented, and one who takes a careful, methodical approach to systems management.

Requirements

• Bachelor’s degree in Computer Science, Information Systems Management, or related IA/CS field from an ABET-accredited institution; in lieu of degree, and additional 3 years of IT experience on DoD classified networks is required.
• 5 years of related System Administration experience is required; 7+ years with no bachelor's degree.
• Must have a deep level of knowledge and experience with Red Hat Enterprise Linux (RHEL).
• Demonstrated experience with Confluence and Jira.
• Candidates must hold a current IAT-II certification (e.g., Security +, CCNA Security, CySA+) as defined by DoD 8570.01-M.
• Candidates must also have a current Operating System certification (e.g., Windows Server, Linux+, Red Hat Certified System Administrator, etc.).
• Ability to build positive, collaborative relationships across teams and with external partners.
• Effective communicator with strong verbal and written skills.
• Proactive, self-directed work style with the ability to operate independently.
• Analytical thinker with proven problem-solving capabilities.
• Highly organized, with the ability to balance competing priorities in a fast-paced environment.
• This position requires U.S. citizenship and an active DoD Top Secret clearance. Selected candidate will be subject to a government security investigation and must meet eligibility requirements for access to classified information.

Nice To Haves

• Familiarity with SolarWinds monitoring and auditing tools.
• Familiarity with the Red Hat Ansible Automation Platform.

Responsibilities

• Maintain and secure Linux operating system environments in compliance with DISA STIGs to support classified mission systems.
• Support RMF and ATO activities, including vulnerability scanning (ACAS, Evaluate STIG) and development of accreditation artifacts.
• Maintain and harden VMware ESXi platforms to ensure reliable, secure virtualization infrastructure.
• Automate system provisioning, configuration management, patching, compliance validation, and reporting using Red Hat Ansible Automation Platform.
• Apply monthly RHEL updates and sustain hardened baselines in classified environments.
• Partner with cybersecurity, DevOps, and systems engineering teams to refine processes and improve operational efficiency.
• Develop and release hardened RHEL templates on a quarterly basis, including documentation required for ATO submissions.
• Monitor Linux and virtualization platforms for availability, performance, and security to ensure mission continuity.
• Ensure compliance with DoD RMF, FISMA, NIST 800-53, and DoD SRG requirements.
• Maintain accurate technical documentation in Confluence and track work in Jira.
• Operate SolarWinds monitoring and auditing tools to proactively detect anomalies and maintain system integrity.

Benefits

• 100% employee-owned company
• Comprehensive benefits package , including 11 paid holidays, medical/dental/vision coverage, HSA/FSA options, disability insurance, and more!
• 401(k) with company match
• Tuition assistance for undergraduate and graduate education
• Veteran-friendly employer
• Thriving employee culture

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level