Science Applications International Corp logo

Systems Administrator II - Desktop Support

Science Applications International Corp
  • Port Hueneme, CA
  • $80,001–$120,000 Per Year
3 days ago
Science Applications International Corp

Job Description

Systems Administrator II - Desktop Support

Job ID: 2616229

Location: Port Hueneme, CA, United States

Date Posted: Aug 27, 2026

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: On-Site

Benefits: Click here

Share: mail

Apply Now >

Apply Now >

Job Description

Description

SAIC is seeking a highly motivated and skilled Senior Systems Administrator II - Desktop Support to join our MAJESTIC Joint Program Office (JPO) Team in support of an on-premises enterprise IT environment. This individual will provide desktop maintenance of mission-critical systems and infrastructure, including Windows Servers, Red Hat Enterprise Linux (RHEL), and Nutanix hyper-converged platform solutions.

The successful candidate will serve as a member of a dynamic team responsible for ensuring the performance, reliability, and security of a large-scale enterprise IT environment. The Systems Administrator II - Desktop Support will be responsible for desktop administration, patch management, system troubleshooting, and the implementation of new capabilities to meet operational and mission requirements. This role requires direct on-site support in the Springfield, VA location.

Key Responsibilities:

  • Perform day-to-day system administration tasks to ensure the availability, security, and performance of critical enterprise Windows Server and RHEL systems
  • Monitor system performance and maintain enterprise infrastructure for compliance with security and reliability requirements
  • Manage patching across Windows and Linux servers using tools like WSUS, Microsoft SCCM, and Ansible
  • Write and maintain scripting solutions (e.g., PowerShell, Bash, or Python) to automate repetitive administrative tasks and improve operational efficiency
  • Implement and administer Active Directory (AD), including group policies, user administration, and cross-platform integration with RHEL
  • Leverage monitoring tools such as Nagios, Splunk, SolarWinds, and Grafana to monitor health and resolve issues proactively
  • Collaborate with cross-functional teams to ensure proper integration of Windows, Linux, and Nutanix environments into overall enterprise infrastructure
  • Analyze and troubleshoot system performance or configuration issues and implement long-term solutions to systemic challenges
  • Maintain detailed technical documentation, including system diagrams, SOPs, and recovery procedures
  • Provide technical support for application teams leveraging Windows Servers, RHEL systems, and Nutanix, ensuring seamless operations
  • Assist with evaluating and implementing new infrastructure technologies, tools, and processes to drive continuous improvement

Qualifications

Education:

  • Bachelors degree in related field and 2-9+ years of experience OR;

  • Masters degree in related field and 0-7+ years of experience OR;

  • High School diploma or equivalent and 6-13+ years of experience

Certifications (CWF Requirements):

  • Candidates must satisfy Cybersecurity Workforce Framework (CWF) ID 451 (System Administrator - Intermediate Level) requirements, as outlined by Navy COOL

This requirement can be met by possessing one or more of the following qualifying certifications:

  • CompTIA Cloud+
  • CompTIA Security+
  • GIAC Global Industrial Cyber Security Professional (GICSP)
  • GIAC Security Essentials Certification (GSEC)
  • Systems Security Certified Practitioner (SSCP)

OR This requirement can be met through:

  • A Bachelor's Degree in Cybersecurity, Computer Science, IT, or a related field

Experience:

  • 3-6 years of professional experience managing and supporting enterprise-level IT environments

Technical Skills:

  • Expertise in Windows Server administration, including Active Directory, DNS, and group policy management
  • Strong knowledge of Red Hat Enterprise Linux (RHEL), including configuration, management, troubleshooting, and security hardening
  • Comprehensive understanding of enterprise virtualized environments (e.g., VMware, Hyper-V) and managing VMs in multi-hypervisor architectures
  • Experience with backup and recovery solutions, clustering, and high availability (HA) architectures
  • Proficiency in scripting and automation using tools like PowerShell, Bash, or Python to streamline operations
  • Expertise in system performance monitoring and troubleshooting tools (e.g., Splunk, Nagios, SolarWinds, or Grafana) for diagnostics and proactive issue resolution
  • Hands-on experience with network services (e.g., DHCP, TCP/IP, load balancing, and VLAN configurations)
  • Strong understanding of security and compliance standards, including RMF, NIST 800-53, and DoD 8510.01, for ensuring infrastructure meets operational requirements

Preferred Certifications (In Addition to CWF Requirements):

  • Microsoft Certified: Windows Server Hybrid Administrator Associate
  • Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE)
  • Nutanix Certified Professional (NCP) or advanced Nutanix certifications
  • VMware Certified Professional (VCP)
  • ITIL v4 Foundation or equivalent

Clearance Requirement:

  • Active TS/SCI clearance with the ability to obtain and maintain a TS/SCI with Poly

Work Environment and Notes:

  • On-Site Work: All work must be conducted on-site in Springfield, VA
  • Program Scope: Supports on-premises enterprise IT environments, including virtualized Windows servers, MS SQL Server databases, and networking layers
  • Subcontractor Role: Responsibilities and compensation vary based on the subcontract agreement, with a competitive salary aligned to market rates and role-specific requirements

Target salary range: $80,001 - $120,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

Overview

SAIC accepts applications on an ongoing basis and there is no deadline.

SAIC is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.

We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

Share: mail

Apply Now >

Numbers & Facts

LocationPort Hueneme, CA
IndustryComputer/IT Services
Salary$80,001–$120,000 Per Year
Company Size10,000 employees or more
Year Founded2013
Websitehttps://jobs.saic.com/

About Company

SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, 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 a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.

Skills

  • Administrative Skillsunmatched
  • Ansibleunmatched
  • Bash Scriptingunmatched
  • Cloud Computingunmatched
  • Clustering Softwareunmatched
  • CompTIA - Computing Technology Industry Associationunmatched
  • CompTIA Security+unmatched
  • Computer Scienceunmatched
  • Configuration Managementunmatched
  • Continuous Improvementunmatched
  • Cross-Functionalunmatched
  • DHCP (Dynamic Host Configuration Protocol)unmatched
  • DNS (Domain Name System)unmatched
  • Data Recoveryunmatched
  • Desktop Administrationunmatched
  • Desktop PCunmatched
  • Emerging Technologyunmatched
  • GIAC - Global Information Assurance Certificationunmatched
  • GSEC - GIAC Security Essentials Certificationunmatched
  • High Availabilityunmatched
  • High School Diplomaunmatched
  • Hypervisorsunmatched
  • Identify Issuesunmatched
  • Information Technology & Information Systemsunmatched
  • Internet Securityunmatched
  • Linux Operating Systemunmatched
  • Load Balancingunmatched
  • Microsoft Active Directoryunmatched
  • Microsoft Hyper-Vunmatched
  • Microsoft Product Familyunmatched
  • Microsoft SQL Serverunmatched
  • Microsoft Virtual Serverunmatched
  • Microsoft Windows Operating Systemunmatched
  • Microsoft Windows Serverunmatched
  • Microsoft Windows System Administrationunmatched
  • Multiplatform/Cross-Platformunmatched
  • Nagios Monitoring Toolunmatched
  • On Site Supportunmatched
  • Operational Improvementunmatched
  • Operational Strategyunmatched
  • Performance Analysisunmatched
  • Policy Developmentunmatched
  • Problem Solving Skillsunmatched
  • Process Improvementunmatched
  • Professional Servicesunmatched
  • Python Programming/Scripting Languageunmatched
  • Red Hat Linux Operating Systemunmatched
  • Regulatory Complianceunmatched
  • SSCP - Systems Security Certified Practitionerunmatched
  • Scripting (Scripting Languages)unmatched
  • Security Complianceunmatched
  • Security Infrastructureunmatched
  • Sensitive Compartmented Information (SCI)unmatched
  • Software Administrationunmatched
  • Software Patchesunmatched
  • Splunkunmatched
  • Standard Operating Procedures (SOP)unmatched
  • System Center Configuration Manager (SCCM)unmatched
  • Systems Administration/Managementunmatched
  • Systems Analysisunmatched
  • TCP/IP (Transmission Control Protocol/Internet Protocol)unmatched
  • Technical Supportunmatched
  • Technical Writingunmatched
  • Testingunmatched
  • Top Secret Clearanceunmatched
  • U.S. National Institute of Standards and Technology (NIST)unmatched
  • United States Department of Defense (DoD)unmatched
  • VLAN (Virtual Local Area Network)unmatched
  • VMS Operating Systemunmatched
  • VMWareunmatched
  • VMWare Certified Professional (VCP)unmatched
  • Virtual Machine (VM)unmatched
  • Virtualizationunmatched
  • Windows PowerShellunmatched
  • Windows Server Update Services (WSUS)unmatched
  • Work From Homeunmatched

Be found by employers

5,500+ employers search our resume database daily. Add yours to get found by recruiters looking for candidates like you.

Level up your application

Professional resume templates

Browse dozens of recruiter approved resume templates, layouts and formats. Choose your favorite and make it your own in minutes.

Free resume templates

Free resume builder

Improve your existing resume or start from scratch and create a standout, ATS-friendly resume. Add job-specific content, download and apply.

Free resume builder