System Administrator (RC-3-CO)
Legato· enterprise· Defense· Apr 24, 2026 · 6mo agoPosted 186 days ago
Aurora, Colorado
In office
Full-time
Mid
$100K–$158K est.
Before you apply
Ghost Signal:
Open since April 24, 2026 — 186 days, and still accepting applications.
Job description
Legato, LLC recruiters ( Staffing@legatocorp.com ) would love to speak with you regarding the following position: Senior Systems Administrator in Aurora, CO.
Security Clearance Required: TS/SCI w/ Polygraph
Salary Range: $170,000–$200,000, depending on experience.
We are seeking:
A Senior Systems Administrator to provide support for the implementation, troubleshooting, maintenance, and optimization of complex enterprise IT systems and infrastructure. The ideal candidate will have extensive experience with UNIX and Windows system administration, Cisco routers and switches, network infrastructure, and hardware/software integration.
This individual will manage daily system operations, monitor system performance, troubleshoot technical issues, and ensure the reliability and availability of critical IT environments.
Position Responsibilities:
Provide support for the implementation, troubleshooting, configuration, and maintenance of enterprise IT systems.
Manage daily system administration activities, including system operations, monitoring, maintenance, and upgrades.
Configure, administer, and maintain UNIX and Windows operating systems, including software installation, troubleshooting, and performance enhancements.
Support the installation, configuration, maintenance, and troubleshooting of Cisco routers and switches within enterprise environments.
Provide Tier I (Help Desk) and Tier II (Escalation) technical support, including problem identification, diagnosis, and resolution.
Monitor and maintain client/server environments, storage systems, network devices, mobile devices, and associated IT infrastructure.
Analyze and resolve complex issues involving server hardware, applications, network components, and software integration.
Optimize system operations and resource utilization while performing system capacity analysis and planning.
Troubleshoot hardware and software failures, coordinate escalations, and remain involved throughout the resolution process.
Provide technical analysis, status updates, and recommendations to management and internal customers.
Support the design of systems, mission architecture, and associated hardware infrastructure.
Maintain system integrity, implement operating system enhancements, and improve overall system reliability and performance.
Apply knowledge of system administration interdependencies within Service Oriented Architecture (SOA) environments.
Our minimum requirements for this role:
Fifteen (15) years of Systems Administration experience supporting programs and contracts of similar scope, type, and complexity.
Bachelor's degree in a technical discipline from an accredited college or university. Five (5) additional years of Systems Administration experience may be substituted for a bachelor's degree, for a total of twenty (20) years of experience.
Strong experience administering and troubleshooting UNIX and Windows operating systems.
Hands-on experience supporting the installation, maintenance, and troubleshooting of Cisco routers and switches.
Demonstrated experience supporting enterprise IT infrastructure, including servers, storage systems, and network devices.
Experience diagnosing and resolving complex hardware, software, and systems integration issues.
Experience with system monitoring, performance optimization, resource utilization, and capacity planning.
Strong technical troubleshooting, problem-solving, and communication skills.
Desired Qualifications:
Experience supporting complex enterprise client/server, storage, and networking environments.
Working knowledge of Service Oriented Architecture (SOA) and system administration interdependencies.
Experience supporting system design, mission architecture, and associated hardware.
Experience performing detailed technical analysis and resolving escalated support tickets.
Experience implementing operating system enhancements to improve system reliability and performance.
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 at the top of their field who enjoy working at Legato because of its attention to 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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Benefits
Benefits detected in the listing.
Dental
Vision
401(K)
Paid Time Off