Senior Systems Administrator (GA-2/3)
Legato· enterprise· Defense· Oct 26, 2026 · 1d ago
Annapolis Junction, Maryland
In office
Full-time
Senior
$121K–$180K est.
Job description
Legato, LLC recruiters (Staffing@legatocorp.com) would love to speak with you regarding the following position: Senior Systems Administrator in Annapolis Junction, MD.
Security Clearance Required : TS/SCI w/ Polygraph
Salary Range : $190,000-$240,000, depending on experience.
What You Will Do:
The Senior Systems Administrator will support the administration, maintenance, security, and optimization of complex enterprise systems and network infrastructure. This 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 Senior Systems Administrator will analyze and resolve complex issues involving server hardware, operating systems, applications, and software integration. The Administrator will perform system hardening, patching, configuration management, and ongoing maintenance to ensure systems remain secure, reliable, and operational. Responsibilities also include administering Linux-based environments, supporting Windows operating systems, diagnosing hardware and software failures, and implementing solutions to improve system performance and availability.
This individual will also collaborate with software developers, systems engineers, testers, and other technical teams to support software development, system integration, verification, and testing activities. The position 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 successful candidate will provide advanced troubleshooting and technical support, assist with network administration, and participate in a rotating after-hours on-call schedule to support critical operational needs.
Our minimum requirements for these roles:
At least
ten (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 (5) years of additional relevant Systems Administration experience may be substituted for a bachelor's degree.
Desired Qualifications
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, with 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.
About Your New Company
Legato, LLC is a dynamic small business headquartered in Columbia, near Ft. Meade, MD. Our positions include Cyber, Software, Systems, Networking, Data Science and other complex engineering capabilities. We set ourselves apart by having employees in the top of their field and who enjoy working at Legato for its attention to its employees, aggressive compensation, and upward mobility possibilities.
We offer a generous benefits package including individual and family health, vision and dental benefits. A minimum of four (4) weeks of paid time off including a week of sick leave. Legato gives our employees 11 federal holidays off and a 401(k) employer match with no vesting schedule. There is an opportunity to earn referral benefits or bank hours if the contract allows.
Disclaimer: The salary range provided is an estimate based on current market conditions and may be adjusted based on factors such as experience, skills, and qualifications. The final salary offer will be determined after a thorough review of the candidate's background and alignment with the role. Please note that this range is subject to change and should be considered as a guideline rather than a definitive figure.
Legato LLC is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, or disability status.
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Keywords to mirror
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Benefits
Benefits detected in the listing.
Dental
Vision
401(K)
Paid Time Off