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SAIC

Senior Network & System Administrator

Hampton, VA, United States

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Job details

Posting language: English
Posted: Nov 6, 2026

Original job description

Science Applications International Corporation (SAIC) is seeking a highly skilled Senior System & Network Administrator to support the Air Operations Center Weapons System (AOC WS) Falconer Program. In this role, you will help deliver dependable, secure, and mission‑ready Command and Control (C2) capabilities to Air Operations Centers across multiple CONUS and OCONUS locations.

You will join a team responsible for installing, configuring, sustaining, and troubleshooting enterprise‑scale systems used in operational mission planning, execution, and decision support. This is an onsite role that involves direct engagement with military operators, government personnel, and contractor teams.

Key Responsibilities:

Fielding & Installation Support

• Execute fielding objectives - including AREs, CSUs, FTs, FTTIs, and NOTAM‑driven updates - within required timelines or as directed by the Technical Project Lead (TPL).

• Deploy and configure new AOC baseline components and validate system readiness; provide transition support and risk mitigation between fielded baselines.

Sustainment & Administration (Systems & Network)

• Provide ongoing administration, configuration, and sustainment of the installed AOC baseline, minimizing downtime.

• Manage domain policies; apply security patches; perform system tuning; support application updates and data migrations.

• Configure, monitor, and troubleshoot LAN/WAN/SAN environments; administer routing, switching, ACLs, and firewall policies.

• Open, track, and resolve trouble tickets; close technical action items from site evaluations.

Systems Integration, Implementation & Coordination

• Participate in TIMs, AOC Production Center engineering/integration sessions, and post‑installation reviews.

• Submit recommended configuration changes to AOC Configuration Management and support Request for Variance (RFV) actions.

• Collaborate with team leadership to define achievable site‑specific objectives; document lessons learned and share metrics.

Testing & Evaluation

• Support Verification & Validation assessments and other SPO‑directed events.

• Provide insights while testing or supporting future upgrades developed by the AOC Production Center.

Education & Experience:

Bachelor’s degree with 7+ years of hands‑on Systems and Network Administration experience, or Master’s degree with 5+ years of experience, or Equivalent industry certifications/experience in lieu of degree.
Active DoD Secret clearance with SCI eligibility.
Meet DoD 8570.01‑M IAT Level III requirements (e.g., CompTIA Security+) within 30 days of hire.

Technical Skills:

Systems Administration

Virtualization and hypervisors (e.g., VMware vSphere/ESXi); Citrix (Provisioning, XenApp, StoreFront).
Enterprise services: Microsoft Exchange; System Center (SCCM/MECM); WSUS; WDS.
Databases (SQL Server or other RDBMS).
Endpoint and vulnerability management (McAfee ePO; ACAS/Nessus).
Linux/Unix (e.g., Red Hat Enterprise Linux).

Network Administration

Cisco Catalyst switches (9300) and Nexus platforms (9300 Series, 9500 Series); Cisco routers (8300).
Cisco UCS‑X; virtual switching technologies (e.g., VDS).
ACLs (IOS/NX‑OS) and firewall technologies (Palo Alto, Juniper, SideWinder).
NetApp appliances (FAS2750/8200/8300, AFF C80) and Data ONTAP or similar mass storage systems; CIFS/NFS.
Network monitoring and access control (SolarWinds NPM/NCM; Cisco Secure ACS or ISE).

Additional Requirements:

Ability to travel up to 25% (CONUS/OCONUS); active passport within 90 days of hire.
Ability to lift up to 50 lbs.
Self-motivated and capable of working independently with minimal supervision.

Desired Qualifications:

Familiarity with Public Cloud Service providers such Azure, Google Cloud Platform (GCP) and preferably Amazon Web Services (AWS)
Familiarity with CI/CD tools such as Gitlab, Vault, Terraform, and Ansible
Experience with troubleshooting and resolving issues with cloud resource configurations, and automation pipelines.
Strong communication and collaboration skills in high‑performance team environments.
Experience administering domain‑based enterprise IT services (startup/shutdown, patching, scanning, user management, backup/restoration, service/log management, auditing, performance tuning).
Experience with remote file systems (CIFS/NFS).
Ability to identify and correct errors in technical diagrams and documentation (installation, configuration, O&M, V&V instructions).
Systems administration experience with GCCS‑J, C2 Core Air, and JADOCS.

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.

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More about this job

Skills

Troubleshooting
Troubleshoot
LAN
WAN
SAN
ACLS
Team leadership
Network administration
Security+
System administration
VMware
Microsoft Exchange
Microsoft System Center
Microsoft SQL Server
McAfee
Nessus
Linux
UNIX
Red Hat Enterprise Linux
SolarWinds
Heavy lifting
Work independently
Microsoft Azure
Google Cloud
AWS
CI/CD
GitLab
IBM Terraform
Ansible
Communication skills
Collaboration
Auditing
Documentation
J

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