> Markdown version of [/jobs/ext/3651089-senior-system-administrator](https://www.wearedevelopers.com/jobs/ext/3651089-senior-system-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior System Administrator - **Company:** Akira Technologies, Inc. - **Location:** Aberdeen Proving Ground, MD, United States - **Experience:** Expert - **Salary:** $120,000.0 - $145,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, CompTIA Security+, Cyber Security, System Configuration, Disaster Recovery, Networking Hardware, Linux System Administration, Network Architecture, Network Administration, Service Pack, Software Vulnerability Management, Backup and Restore, Enterprise Software Applications, System Availability, Information Technology - **Published:** October 9, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=926cec7940f6b99c ## About the Role * Minimum 5+ years of relevant IT experience supporting enterprise-level systems and infrastructure. * Hands-on experience with Windows and/or Linux system administration in a secure or DoD environment. * Experience with network administration, troubleshooting, and enterprise infrastructure support. * Certifications + Current IAT Level II certification at a minimum. + Industry-standard certifications relevant to assigned duties, such as CompTIA Security+, CCNA, RHCSA, or MCSA. + Certifications must meet applicable DoD 8570/8140 requirements for the assigned position. * Demonstrated hands-on expertise in system and network administration, troubleshooting, security operations, and customer support. * Experience applying STIGs and DoD security requirements to enterprise systems. * Working knowledge of COMSEC and security practices within classified environments. * Strong problem-solving and customer service skills with the ability to support users and resolve technical issues in a mission-focused environment. * Must possess and maintain an active TS/SCI security clearance. * Must be able to work onsite at Aberdeen Proving Ground, MD. ## Description The Senior System Administrator will provide hands-on support across server, network, security, and end-user environments, ensuring systems remain secure, operational, and compliant with DoD requirements. The ideal candidate is a technically strong administrator who can troubleshoot complex issues, support users in a secure environment, and adapt to evolving mission and technology requirements., This is an onsite position supporting the Aberdeen Proving Ground, MD location. The role also requires active TS/SCI clearance., * Perform daily Windows and/or Linux system administration, including account management, system configuration, patching, troubleshooting, and maintenance. * Implement and maintain DoD security requirements, including Security Technical Implementation Guides (STIGs), security patches, and configuration standards. * Administer and troubleshoot network infrastructure, including switches, routers, firewalls, and related network devices. * Provide Tier 1/2 technical support to end users, including account resets, software support, connectivity issues, and general troubleshooting. * Support Video Teleconferencing (VTC) systems, including setup, configuration, troubleshooting, and user assistance. * Monitor system and security logs, investigate alerts, and support incident response, remediation, and vulnerability management activities. * Support the secure operation and maintenance of systems within the JWICS environment, following applicable DoD and site security requirements. * Perform system backups and support disaster recovery and continuity of operations activities, including testing and validation. * Diagnose and resolve hardware, software, operating system, network, and connectivity issues; escalate complex problems to senior technical personnel or vendors as appropriate. * Maintain system and technical documentation, including configuration information, troubleshooting procedures, and maintenance records. * Provide skilled technical support across assigned performance areas and assist with implementing new technologies, system upgrades, and mission requirements. * Coordinate with system, network, cybersecurity, and customer support teams to maintain system availability, security, and performance.