Senior Systems Administrator (GA-2/3)
About The Position
The Senior Systems Administrator supports the administration, maintenance, security, and optimization of complex enterprise systems and network infrastructure. The role focuses on maintaining reliable and secure computing environments, resolving advanced technical issues, and supporting software development, system integration, and operational activities across multiple technical teams. The Administrator analyzes and resolves complex issues involving server hardware, operating systems, applications, and software integration. Duties include system hardening, patching, configuration management, and ongoing maintenance; administering Linux environments; supporting Windows operating systems; diagnosing hardware and software failures; and implementing solutions to improve system performance and availability. The position collaborates with software developers, systems engineers, testers, and other technical teams to support software development, system integration, verification, and testing. It also involves gathering and analyzing user requirements, evaluating system and network performance, maintaining system architecture and technical documentation, and ensuring the quality and integrity of technical deliverables. The Administrator provides advanced troubleshooting and technical support, assists with network administration, and participates in a weekly rotating after-hours on-call schedule. The role is in Annapolis Junction, Maryland, and requires a TS/SCI with Polygraph clearance.
Requirements
- At least 10 years of experience as a Systems Administrator supporting complex enterprise systems and technical environments.
- Strong Linux system administration and engineering experience.
- Working knowledge of Windows operating systems.
- Experience analyzing and resolving complex server hardware, software, and application integration issues.
- Experience performing system hardening, security patching, configuration management, and system maintenance.
- Experience diagnosing hardware and software failures, troubleshooting system performance issues, and replacing defective components.
- Experience administering and maintaining computer networks, servers, and supporting infrastructure.
- Experience supporting software development, system integration, verification, and testing activities.
- Experience gathering and analyzing user requirements to identify and resolve system and network issues.
- Experience developing and maintaining system documentation, technical procedures, and configuration records.
- Ability to collaborate with multidisciplinary engineering teams and communicate technical information effectively.
- Willingness to participate in a weekly rotating after-hours on-call schedule.
- Bachelor's degree in a technical discipline from an accredited college or university; five years of additional relevant Systems Administration experience may substitute for the degree.
- TS/SCI with Polygraph security clearance.
Nice To Haves
- Experience with cloud technologies, particularly Amazon Web Services (AWS).
- Experience with Keycloak, LDAP, GeoServer, and Apache NiFi.
- Knowledge of tactical data links and related technologies, including Link 16, Integrated Broadcast Service (IBS), and Cursor-on-Target (CoT).
- Experience supporting Information Assurance activities, including system security, compliance, and vulnerability remediation.
- Experience administering and supporting laboratory environments, specialized technical systems, and associated network infrastructure.
- Strong analytical and problem-solving skills, including the ability to independently evaluate technical challenges and implement effective solutions.
- Ability to work collaboratively across geographically distributed engineering and development teams.
- Experience providing technical support, troubleshooting, and training to system users and engineering personnel.
Responsibilities
- Administer, maintain, secure, and optimize complex enterprise systems and network infrastructure.
- Analyze and resolve complex issues involving server hardware, operating systems, applications, and software integration.
- Perform system hardening, security patching, configuration management, and ongoing system maintenance.
- Administer Linux environments and support Windows operating systems.
- Diagnose hardware and software failures and implement solutions to improve system performance and availability.
- Administer and maintain computer networks, servers, and supporting infrastructure.
- Collaborate with software developers, systems engineers, testers, and other technical teams on software development, system integration, verification, and testing activities.
- Gather and analyze user requirements and evaluate system and network performance.
- Maintain system architecture and technical documentation, procedures, and configuration records.
- Ensure the quality and integrity of technical deliverables.
- Provide advanced troubleshooting and technical support and assist with network administration.
- Participate in a weekly rotating after-hours on-call schedule.
Benefits
- Individual and family health benefits
- Vision benefits
- Dental benefits
- At least four weeks of paid time off, including a week of sick leave
- 11 federal holidays off
- 401(k) employer match with no vesting schedule
- Opportunity to earn referral benefits or bank hours if the contract allows
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What This Job Offers
Job Type
Full-time
Career Level
Senior
