Cybersecurity Systems Administrator III

International Executive Service Corps; Norfolk (VA); On-site; USD 85,000 - 110,000; Full time

Job summary

A leading cybersecurity firm is looking for a Cybersecurity Systems Administrator III to support Surface Combat Systems Training Command in Norfolk, VA. The ideal candidate will have extensive experience in network infrastructure, security expertise in DoD/Navy environments, and a strong background in system administration for Windows and Linux servers. The role involves maintaining and managing classified training systems, implementing cybersecurity policies, and providing technical expertise for system upgrades. A Bachelor's degree and relevant certifications are required.

Qualifications

• Experience in DoD/Navy LAN/WAN environments with TCP/IP, VPNs, DHCP/DNS.
• Hands-on with RMF, eMASS, STIGs, firewalls, encryption standards.
• Administer Windows/Linux systems in DoD environments.

Responsibilities

• Manage system and network administration for training systems.
• Maintain LAN/WAN infrastructure in classified environments.
• Implement cybersecurity policies and controls.

Skills

Network Infrastructure

Security Expertise

System Administration

Cloud Computing

Education

Bachelor's Degree in logistics, business, or relevant field

DAWIA Certifications in Acquisition field or Active PMP Certification

Tools

VMware

Hyper-V

Job description

Join a team that’s shaping the future of Navy support. ICI Services—a 100% employee‑owned company proudly celebrating 26 years of excellence—is seeking Cybersecurity Systems Administrator III to support Surface Combat Systems Training Command (SCSTC) – NSWC Dahlgren Division Team in Norfolk, VA.

Security Clearance

• Applicant must hold or be able to obtain an active Department of Defense (DoD) SECRET personnel security clearance.

Responsibilities

• Provide system and network administration for SCSTC/NSWC Dahlgren training systems, simulation environments, and development networks.
• Maintain LAN/WAN infrastructure supporting classified and unclassified environments (NIPR/SIPR).
• Manage system performance, availability, and security for mission systems and instructional technology assets.
• Support virtualization environments commonly used in test labs and integrated combat system training suites.
• Implement DoD and DON cybersecurity policies, RMF controls, and security hardening across systems and networks.
• Lead troubleshooting, diagnostics, and service restoration for training and testing systems.
• Support cloud adoption initiatives and workload migration aligned with Navy cloud strategies.
• Provide technical expertise during configuration changes, lifecycle upgrades, and technology refresh efforts.
• Collaborate with engineers, instructors, and cybersecurity personnel across SCSTC, NSWC Dahlgren, and Fleet stakeholders.

Experience Requirements

• Network Infrastructure: Experience supporting DoD/Navy LAN/WAN environments (classified/unclassified); strong knowledge of TCP/IP, OSI, VPNs, DHCP/DNS, network diagnostics, and virtualization (VMware/Hyper‑V).
• Security Expertise (DoD/Navy): Hands‑on experience with RMF, eMASS, STIGs, POA&M management, system hardening, firewalls, encryption, and federal data protection standards (PII/PCI/PHI).
• System Administration: Administration of Windows/Linux server and client systems in DoD environments, including troubleshooting, patching, backups, configuration management, and accreditation support.
• Cloud Computing: Experience with DoD cloud models (SaaS, IaaS, PaaS) and environments such as AWS GovCloud or Azure Government, including hybrid/cloud migration support.

Preferred Qualifications

• DoD 8570/8140 certifications (Security+ CE, CySA+, CASP+, CISSP, CCNA, etc.)
• Experience supporting SCSTC, NSWC, NAVSEA, or other Warfare Center divisions
• Familiarity with Navy Combat Systems training environments (Aegis, SSDS, GOTS/COTS simulators)
• Knowledge of RDT&E, lab environments, or systems integration facilities
• Strong communication skills and ability to interact with military, civilian, and contractor personnel.

Educational Requirements

• Bachelor's Degree in logistics, business, or relevant field
• DAWIA Certifications in at least one Acquisition field (or Active PMP Certification may be considered in lieu of this requirement).

EOE/M/F/ Disability/Vet

VEVRAA Federal Contractor