Systems Administrator

Description

Contingent Upon Contract Award

Are you a talented System Administrator passionate about cybersecurity and cloud technologies and interested in supporting cybersecurity and RMF compliance?  Join our team in supporting a cybersecurity and RMF compliance initiative in DoD.  This is an exciting opportunity to apply your system administrator expertise while contributing to high-impact projects in a fast-paced, collaborative environment. If you thrive on problem-solving, innovation, and working with cutting-edge technologies, this role is for you!

The System Administrator will manage, secure, and maintain IT systems across multiple DoD installations. This role requires expertise in system configuration, patch management, STIG compliance, vulnerability mitigation, and security monitoring to support Risk Management Framework (RMF) and Authority to Operate (ATO) sustainment. The ideal candidate will work closely with cybersecurity engineers, ISSMs, and federal stakeholders to ensure mission-critical IT infrastructure remains secure and operational.

• Configure, maintain, and secure Windows, Linux, and network based devices in DoD environment.
• Implement and maintain STIG/SRG compliance on servers, endpoints, and networked devices.
• Perform regular patch management, firmware updates, and system hardening in accordance with DoD security policies.
• Support ACAS vulnerability scans, analyze findings, and assist with remediation efforts.
• Support RMF compliance by documenting system configurations, security controls, and audit logs.
• Troubleshoot system performance issues, security misconfigurations, and software compatibility problems.
• Assist with incident response and forensic investigations for cybersecurity-related events.
• Manage user access controls, authentication settings, and privileged accounts in line with DoD Identity & Access Management (IAM) policies.
• Ensure proper data backup, recovery, and system availability to maintain operational continuity.
• Develop and maintain system documentation, SOPs, and technical manuals for compliance audits.

Qualifications

Education:

• 2 years of higher education required.  
• Bachelor’s or Master’s degree in Computer Science or related field preferred. 
• IAT Level I Certification (Required) (e.g., Security , CySA , CASP , GSEC, CND).
• Strong experience managing Windows Server, Linux distributions, and virtualized environments (VMware, Hyper-V).
• Hands-on experience applying STIGs, executing security patches, and ensuring compliance with DoD security standards.
• Familiarity with identity and access management (IAM), role-based access control (RBAC), and Active Directory (AD) group policies.
• Experience working in DoD classified/unclassified environments.

Experience:  

• 3-5 years of experience as a System Administrator, IT Security Specialist, or similar role in a DoD or federal environment.
• Experience applying STIGs, troubleshooting security configurations, and mitigating ACAS vulnerabilities.
• Strong background in patch management, system hardening, and endpoint security solutions.
• Familiarity with SIEM, security event logging, and threat intelligence tools (Splunk, ELK, QRadar).
• Experience supporting ATO documentation and system security control implementation.

Technical Skills:  

• Windows Server, Desktop, network appliance & Linux Administration.
• System hardening & STIG compliance (DISA STIGs, SCAP, ACAS scanning & remediation).
• Patch management & software updates.
• Identity & Access Management (Active Directory, LDAP, Multi-Factor Authentication).
• SIEM tools & log monitoring.
• Data backup & disaster recovery. 

Security Clearance: Must be a U.S. Citizen and able to obtain a Public Trust clearance.

Preferred Certifications:

• United States citizen (Required)
• Active Secret Clearance (Required)
• IAT Level I Certification (e.g., Security , Required)
• Microsoft Certifications (Plus)
• Linux Certifications (Plus)

Preferred Skills:  

• Knowledge of Zero Trust security models, micro segmentation, and network security hardening.
• Experience working with DoD cybersecurity teams to implement RMF controls.
• Strong technical documentation and SOP development skills for compliance reporting.
• Familiarity with automating system administration tasks using PowerShell, Bash, or Python.
• Strong analytical and problem-solving capabilities.
• Ability to work independently and in a cross-functional team.
• Excellent communication skills, both written and verbal.

EEO Employer F/M/Vet/Disabled