Senior Network & System Administrator
About The Position
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. The role helps deliver dependable, secure, mission-ready Command and Control (C2) capabilities to Air Operations Centers across multiple CONUS and OCONUS locations. The administrator joins a team that installs, configures, sustains, and troubleshoots enterprise-scale systems used in operational mission planning, execution, and decision support. This is an onsite role involving direct engagement with military operators, government personnel, and contractor teams. The position supports AOC system fielding and installation, ongoing systems and network administration, integration and coordination activities, and testing and evaluation. It includes travel of up to 25% (CONUS/OCONUS), an active passport within 90 days of hire, and the ability to lift up to 50 lbs.
Requirements
- Bachelor’s degree with at least 7 years of hands-on Systems and Network Administration experience, or a Master’s degree with at least 5 years of experience; equivalent industry certifications or experience may be accepted in lieu of a degree.
- Active DoD Secret clearance with SCI eligibility.
- Meet DoD 8570.01-M IAT Level III requirements (for example, CompTIA Security+) within 30 days of hire.
- Experience with virtualization and hypervisors such as VMware vSphere/ESXi and Citrix Provisioning, XenApp, and StoreFront.
- Experience with enterprise services including Microsoft Exchange, System Center (SCCM/MECM), WSUS, and WDS.
- Experience with SQL Server or other relational database management systems.
- Experience with endpoint and vulnerability management tools including McAfee ePO and ACAS/Nessus.
- Experience with Linux/Unix, such as Red Hat Enterprise Linux.
- Experience with Cisco Catalyst 9300 switches, Nexus 9300 and 9500 Series platforms, and Cisco 8300 routers.
- Experience with Cisco UCS-X and virtual switching technologies such as VDS.
- Experience with ACLs (IOS/NX-OS) and firewall technologies such as Palo Alto, Juniper, and SideWinder.
- Experience with NetApp appliances (FAS2750/8200/8300, AFF C80) and Data ONTAP or similar mass storage systems, including CIFS/NFS.
- Experience with network monitoring and access control tools such as SolarWinds NPM/NCM and Cisco Secure ACS or ISE.
- Ability to travel up to 25% (CONUS/OCONUS) and obtain or maintain an active passport within 90 days of hire.
- Ability to lift up to 50 lbs.
- Self-motivated and able to work independently with minimal supervision.
Nice To Haves
- Familiarity with public cloud service providers such as Azure and Google Cloud Platform (GCP), and preferably Amazon Web Services (AWS).
- Familiarity with CI/CD tools such as GitLab, Vault, Terraform, and Ansible.
- Experience 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, including startup/shutdown, patching, scanning, user management, backup/restoration, service/log management, auditing, and performance tuning.
- Experience with remote file systems such as CIFS/NFS.
- Ability to identify and correct errors in technical diagrams and documentation, including installation, configuration, O&M, and V&V instructions.
- Systems administration experience with GCCS-J, C2 Core Air, and JADOCS.
Responsibilities
- 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, validate system readiness, and provide transition support and risk mitigation between fielded baselines.
- Administer, configure, and sustain the installed AOC baseline while minimizing downtime.
- Manage domain policies; apply security patches; perform system tuning; and support application updates and data migrations.
- Configure, monitor, and troubleshoot LAN/WAN/SAN environments, including routing, switching, ACLs, and firewall policies.
- Open, track, and resolve trouble tickets and close technical action items from site evaluations.
- Participate in TIMs, AOC Production Center engineering and 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.
- Support Verification & Validation assessments and other SPO-directed events.
- Provide insights during testing and while supporting future upgrades developed by the AOC Production Center.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
