Systems Administrator II - Desktop Support

Science Applications International Corp

Springfield, VA

JOB DETAILS
SKILLS
Administrative Skills, Ansible, Bash Scripting, Cloud Computing, Clustering Software, CompTIA - Computing Technology Industry Association, CompTIA Security+, Computer Science, Configuration Management, Continuous Improvement, Cross-Functional, DHCP (Dynamic Host Configuration Protocol), DNS (Domain Name System), Data Recovery, Desktop Administration, Desktop PC, GIAC - Global Information Assurance Certification, GSEC - GIAC Security Essentials Certification, High Availability, Hypervisors, Identify Issues, Information Technology & Information Systems, Internet Security, Linux Operating System, Load Balancing, Microsoft Active Directory, Microsoft Hyper-V, Microsoft Product Family, Microsoft Windows Operating System, Microsoft Windows Server, Microsoft Windows System Administration, Multiplatform/Cross-Platform, Nagios Monitoring Tool, On Site Support, Operational Improvement, Operational Strategy, Performance Analysis, Policy Development, Problem Solving Skills, Process Improvement, Python Programming/Scripting Language, Red Hat Linux Operating System, Regulatory Compliance, SSCP - Systems Security Certified Practitioner, Scripting (Scripting Languages), Security Compliance, Security Infrastructure, Sensitive Compartmented Information (SCI), Software Administration, Software Patches, Splunk, Standard Operating Procedures (SOP), System Center Configuration Manager (SCCM), Systems Administration/Management, Systems Analysis, TCP/IP (Transmission Control Protocol/Internet Protocol), Technical Support, Technical Writing, Testing, Top Secret Clearance, U.S. National Institute of Standards and Technology (NIST), United States Department of Defense (DoD), VLAN (Virtual Local Area Network), VMS Operating System, VMWare, VMWare Certified Professional (VCP), Virtual Machine (VM), Virtualization, Windows PowerShell, Windows Server Update Services (WSUS), Work From Home
LOCATION
Springfield, VA
POSTED
2 days ago

Systems Administrator II - Desktop Support

Job ID: 2614942

Location: Springfield, VA, United States

Date Posted: Jul 24, 2026

Category: Information Technology

Subcategory: Sys Administrator

Schedule: Full-Time

Shift: Day Job

Travel: Yes - 10% of the time

Minimum Clearance Required: Top Secret

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

Required Qualifications:

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.

Apply Now >

About the Company

S

Science Applications International Corp

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.
COMPANY SIZE
10,000 employees or more
INDUSTRY
Computer/IT Services
FOUNDED
2013
WEBSITE
https://jobs.saic.com/