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Senior System Administrator

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Job ID: 2111051
Location: EL SEGUNDO, CA, United States
Date Posted: Apr 12, 2022
Category: Information Technology
Subcategory: Sys Administrator
Schedule: Full-time
Shift: Day Job
Travel: Yes, 10 % of the Time
Minimum Clearance Required: TS/SCI
Clearance Level Must Be Able to Obtain: TS/SCI with Poly
Potential for Remote Work:
Benefits: Click here

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Job Description


SAIC is seeking a Senior Systems Administrator on the Horizon Program, a program that directly assists the US Space Force in El Segundo.  The ideal candidate will have experience providing design, implementation, maintenance, and troubleshooting functions for physical and virtual information systems and web-based applications. 

Overall responsibilities include interfacing with Active Duty, US Government, and contractor personnel to provide top-notch support with a focus on system/network security in support of National Security.  Provide break/fix and design supporting Information Technology in a fast paced, high-energy environment.  Provide root cause analysis and be comfortable recommending permanent configuration changes when necessary. Support will encompass a range of capabilities from server and workstation configuration and support, LAN setup and maintenance and Audio Visual systems with a focus on security implementation (focus on all systems not just AV). With information technology constantly changing, specialists must stay up-to-date on emerging technologies and the potential effectiveness of these advancements in their current systems.

General Duties:

  • Implement and manage Microsoft operating systems, services, applications, and roles (Windows Server 2016, Windows 10, Exchange, file and print services, Office, etc.) in a VMWare ESXi virtual environment (VMWare 6.x) using DISA Security Technical Implementation Guide checklists.
  • Configure and troubleshoot Windows Services, such as DNS (Domain Name Services), DHCP (Dynamic Host Configuration Protocol), DFS (Distributed File Server), KMS (Key Management Services), and Internet Information Service (IIS).
  • Implement DISA Security Technical Implementation Guide (STIG) requirements and maintain systems in accordance with requirements of the Risk Management Framework (RMF).
  • Deploy system updates and patches, to both internet-connected and isolated networks, utilizing Microsoft Windows Software Update Services (WSUS) or manual patching.
  • Conduct Vulnerability scanning and remediation.
  • Conduct daily system maintenance activities including log reviews and connectivity checks to maintain project infrastructures and systems in a ready-to-use state.
  • Use PowerShell to conduct administration and scripting tasks.




Qualifications - External

  • Bachelor’s Degree in Computer Science or related discipline and minimum of 9+ years of relevant experience
  • Must be certified DOD 8570.1-M IAT Level 2 (current baseline security and operating environment certifications).
  • Familiar with the RMF process
  • Must have an active Top Secret/SCI.  US Citizenship required.
  • Ability to work off-hours and travel less than 10% as needed for support


Desired Skills

  • Knowledge of Cisco and Juniper routers and switches
  • Experience with Linux in a secured environment
  • Familiarity with MBSE (Model Based Systems Engineering) for Agile development of systems, software, and models.
  • Experience with Windows-based Public Key Infrastructure (PKI) in a DoD environment.
  • Experience deploying and configuring Microsoft SQL in a secure environment utilizing DISA STIG checklists; installation, maintenance, and troubleshooting of web applications and applications that leverage SQL database services.
  • Experience implementing and/or managing a Virtual Desktop Interface (VDI) environment
  • Experience with VTC systems




COVID Policy: Prospective and/or new employees are required to adhere with SAIC's vaccination policy. All SAIC employees must be fully vaccinated and they must submit proof of vaccination on their first day of employment. Prospective or new employees may seek an exemption to the vaccination requirement at Contact Us and must have an approved exemption prior to the start of their employment. Where work is performed strictly at a customer site, customer site vaccination requirements preempt SAIC's vaccination policy.




SAIC® is a premier Fortune 500® technology integrator driving our nation's technology transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, digital, artificial intelligence, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions.

We are more than 26,500 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer, fostering a respectful work culture based on diversity, equity, and inclusion that values all contributors. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit

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