**Description** SAIC is seeking a highly skilled Senior Systems & Network Administrator to support the AOC WS Falconer Program. This role combines expertise in both systems and network administration to ensure the installation, configuration, sustainment, and troubleshooting of mission-critical Command and Control (C2) systems across various Air Operations Centers (AOCs) worldwide. **KEY RESPONSIBILITIES:** + Install and support Agile Release Events (AREs), Critical System Updates (CSUs), Fast Tracks (FTs/FTTIs), and NOTAMs + Administer and sustain the AOC baseline, including both system and network components + Configure, troubleshoot, and migrate infrastructure components + Perform data migration, application tuning, domain policy updates, and security patching + Submit and resolve trouble tickets; minimize system downtime + Participate in Technical Interchange Meetings (TIMs), engineering sessions, and post-installation reviews + Support Configuration Management (CM) processes and Request for Variance (RFV) submissions + Provide performance and security recommendations + Collaborate with stakeholders to define site-specific objectives + Track lessons learned and share insights across the team + Assist with testing, verification, and validation of future upgrades **Qualifications** **EDUCATION & EXPERIENCE:** + Bachelor’s degree with 7+ years of hands-on experience in Systems and/or Network Administration + Master’s degree with 5+ years of hands-on experience in Systems and/or Network Administration + Equivalent experience and certifications may be considered in lieu of formal education **CERTIFICATIONS & REQUIREMENTS:** + CompTIA Security+ (DoD 8570.01-M IAT Level III compliant within 30 days of hire) + Minimum Secret clearance required; Ability to obtain/maintain a TS/SCI + Active passport within 90 days of hire + Ability to lift up to 50 lbs **TECHNICAL EXPERTISE:** + Microsoft Windows Server/Desktop OS, Active Directory, Group Policy + LAN/WAN/SAN technologies and data backup solutions + Microsoft Exchange, SCCM/MECM, WSUS, WDS, SQL Server + VMWare vSphere/ESXi, Citrix (Provisioning, XenApp, Storefront), McAfee ePO + ACAS/Nessus, Red Hat Enterprise Linux (RHEL), UNIX + Cisco Catalyst/Nexus switches, routers, UCS, NetApp storage systems + Firewall technologies (Palo Alto, Juniper, SideWinder), ACLs, SolarWinds NPM/NCM + Cisco Secure ACS/ISE, virtual switching (VDS), CIFS/NSFs **DESIRED SKILLS:** + Strong communication and collaboration in high-performance environments + Experience with domain services, patching, scanning, account management, backups, auditing, and performance tuning + Familiarity with GCCS-J, TBMCS, JADOCS, MAAP TK systems + Ability to identify and correct technical documentation errors Target salary range: $120,001 - $160,000. The estimate displayed represents the typical salary range for this position based on experience and other factors. REQNUMBER: 2509783 SAIC is a premier technology integrator, solving our nation's most complex modernization and systems engineering challenges across the defense, space, federal civilian, and intelligence markets. Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including cloud services; cyber; software; advanced analytics and simulation; and training. We are a team of 23,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $6.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see Working at SAIC. EOE AA M/F/Vet/Disability