Senior Network and Computer Systems Administrator

22 hours ago


Washington, Washington, D.C., United States American Systems Full time $108,100 - $180,600 per year


Overview

AMERICAN SYSTEMS is seeking a Senior Network and Computer Systems Administrator to join the NISSC3 Mission at The Pentagon. Step into the iconic halls of America's command center as part of the NISSC III contract team. Here, your work safeguards national security and enables top-tier operations for the Department of Defense. Support and advance the NISSC III mission, powering critical command, control, and communications that impact global defense. At the very heart of American strategy, be a trusted expert where every contribution matters 



Responsibilities

  • Provides advanced technical leadership and expertise for the NMCC by managing daily onsite 8x5 support and 24/7/365 on-call system administration and user support.
  • Oversees and ensures reliable delivery of:
  • Management and reporting
  • System administration
  • Vulnerability management
  • O-Level maintenance
  • Test support tasks in strict adherence to technical manuals and government security protocols.
  • Conducts remote troubleshooting and support for Strategic Presidential Decision Support Modules (PDS-Ms) at geographically dispersed locations, ensuring sustained system operability even when the on-site individual is unavailable.
  • Analyzes operational trends, incident data, and maintenance activities to drive service improvements.
  • Prepares and validates all contractual deliverables—including role continuity binders, performance metrics inputs, incident reports, and technical documentation.
  • Establishes, documents, and communicates best practices and lessons learned for all mission assurance activities at NMCC and associated remote support sites.

THESE POSITIONS ARE CONTINGENT UPON AWARD OF CONTRACT.    



Qualifications

  • Bachelor's degree or equivalent DoD/military training
  • 7–10 years of experience
  • Ability to work with highly sensitive and classified DoD systems and information
  • Collect, analyze, and report surveillance and performance metrics
  • Prepare meeting agendas, materials, minutes, and monthly task reports
  • Maintain documentation for O&M roles, continuity binders, and procedures
  • Document issues and propose/support corrective actions and system changes (including Deficiency Reports, Artifact Defects, and AFTO Form 22 recommendations)
  • Manage and track System Administration/User Support actions via Incident Reports (IR)
  • Conduct standup meetings; interface with local government coordinators for workload prioritization
  • Create, manage, and delete user/group accounts and security policies
  • Provide one-on-one and remote technical support across multiple sites and systems (including via phone/email/remote logon)
  • Proactive monitoring of system and link performance; rapid troubleshooting and restoration
  • Perform system backups, restores, startups, shutdowns, error detection, log analysis, and recovery/restoration in line with applicable Technical Manuals and procedures
  • Support for remote and telephonic IT assistance
  • Support for installation, test events, site prep, validation, and system integration activities
  • Execute maintenance per technical documentation, and coordinate with Remedy or site-specific work order systems as applicable
  • Perform ISSO (Information System Security Officer) duties per DoDI ; monitor and remediate system vulnerabilities
  • Update antivirus signatures, analyze threats, implement vulnerability management plans, and report security event artifacts
  • Ensure timely implementation of IAVMs, CTOs, and threat assessments

Certifications / Clearance:

  • Top Secret (TS) security clearance
  • DoD 8570/8140 baseline certification for Information Assurance Technical roles is typically required (e.g., Security+, CISSP, or similar

Other Qualifications:

  • Ability to operate independently and as part of a cross-functional O&M team
  • Experience supporting 24x7 mission operations or on-call technical support in classified environments
  • Ability to interface with multiple stakeholders, including military, government civilians, and contractors
  • Documentation, communication, and process improvement skills

THESE POSITIONS ARE CONTINGENT UPON AWARD OF CONTRACT.    

For more information, please contact   



Pay Transparency Statement

AMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $108,100.00/Yr. - USD $180,600.00/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.

EEO Statement

EEO Race/Sex/Disability Status/Veteran Status

  • Network Specialist

    1 day ago


    Washington, Washington, D.C., United States Integrated Computer Solutions, Inc. Full time $80,000 - $120,000 per year

    THE COMPANYIntegrated Computer Solutions (ICS), a wholly owned subsidiary of The One23 Group, is an IT service provider that supports the federal government, along with several state agencies and municipalities. Our employees are skilled professionals who are integral to the success of our customers' missions. We are trusted advisors whose professional lives...


  • Washington, Washington, D.C., United States Leidos Full time $89,700 - $162,150

    Leidos is hiring a Senior Systems Administrator to support the ESA V program. The ESA V program is an IT Services program supporting several federal customers. The program provides a range of IT services, including help desk, asset management, desk side support, Windows workstation engineering and maintenance, managed print services, ITSM, Active Directory...


  • Washington, Washington, D.C., United States Peraton Full time $66,000 - $106,000

    ResponsibilitiesPeraton is seeking a Computer Network Engineer to join our HHS OIG IT Service Desk and Engineering Services team, supporting operations in the Washington D.C. region and remote regional offices. This position focuses on hands-on network support, implementation, and troubleshooting across enterprise environments. The ideal candidate is a...


  • Washington, Washington, D.C., United States Peraton Full time $66,000 - $106,000 per year

    About PeratonPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our...


  • Washington, Washington, D.C., United States Harmonia Holdings Group, LLC Full time $80,000 - $120,000 per year

    Harmonia Holdings Group, LLC is an award-winning, rapidly growing federal government contractor committed to providing innovative, high-performing solutions to our government clients and focused on fostering a workplace that encourages growth, initiative, creativity, and employee satisfaction.We have an exciting job opportunity for aSystem Administrator....


  • Washington, Washington, D.C., United States Koniag Government Services Full time $140,000 - $170,000 per year

    Koniag IT Systems LLC, a Koniag Government Services company, is seeking a Senior Network Engineer to support KITS and our government customer in Washington, DC. This is a hybrid opportunity, requires 3days onsite and 2days remote.This position is for a Future New Business Opportunity.We offer competitive compensation and an extraordinary benefits package...

  • Systems Administrator

    22 hours ago


    Washington, Washington, D.C., United States Reston Consulting Group, Inc. Full time $90,000 - $108,000 per year

    Systems AdministratorLocation:Washington, DC – Onsite (Five days per week)Clearance Requirement:Active Top-Secret Clearance (U.S. Citizen or Permanent Resident)Salary Range:$90,000 – $108,000Who We AreAtRCG, we're more than just a federal contracting company — we're a team of innovators, problem-solvers, and collaborators. ProudlyCertified as a Great...


  • Washington, Washington, D.C., United States Leidos Full time $89,700 - $162,150

    Leidos has a new and exciting opportunity for a Systems Administrator in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA).  Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key...


  • Washington, Washington, D.C., United States Booz Allen Hamilton Full time $62,000 - $141,000 per year

    System AdministratorThe Opportunity: Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the United States Air Force's air defense systems? We're looking for a system administrator who specializes in system and...

  • System Administrator

    19 hours ago


    Washington, Washington, D.C., United States Booz Allen Hamilton Full time $62,000 - $141,000

    System AdministratorThe Opportunity: Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the United States Air Force's air defense systems? We're looking for a system administrator who specializes in system and...