Senior DoD Network & Systems Administrator, SCIF Enclaves

CP Marine LLC; Oklahoma City (OK); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) plan with company matching

Tax-deferred savings options

Paid time off

Job summary

Goldbelt is seeking a SME Network and Computer Systems Administrator to lead high-assurance network design and security within classified enclaves. You will architect isolated networks, deploy NSA-approved encryption, and enforce stringent access controls per DoD directives.

The role requires 6+ years of related experience, TS clearance, and familiarity with JSIG regulations. You will work on secure communications, system hardening, and ongoing risk reduction in a DoD contracting environment.

Qualifications

• Shall hold professional and approved U.S. Department of War Directive 8140.01 certifications as required and appropriate per the duty position (ex. CompTIA Security+).
• Minimum of 6+ years of related experience.
• Must have a TOP SECRET security clearance.
• Bachelor's degree preferred.

Responsibilities

• Design and implement isolated local and wide-area multi-tenant network enclaves enforcing strict data-in-transit segregation between differing SAR compartments.
• Configure, deploy, key, and maintain NSA-approved Type-1 High Assurance IP Encryption (HAIPE) devices to establish secure overlays.
• Apply DISA STIGs across multilayer switches, routers, and firewalls.
• Develop network boundary diagrams, baselines, and SSP documentation for Authorization Packages.
• Engineer network segmentation using VRF-Lite/MPLS, 802.1Q VLAN isolation, and private ACLs.
• Enforce 802.1X port authentication, MAC filtering, and tight port lockdown inside SAPF.
• Validate hash integrity and deploy firmware and security definitions onto air-gapped devices.
• Perform intake, serial tracking, tamper inspections, and provenance verification on all network hardware.

Skills

SAP network systems

JSIG regulations

Security clearance

Customer service

Communication skills

Education

Bachelor's degree in a related field

Tools

KG-175 TACLANE

HAIPE devices

STIGs

Air-gapped network appliances

Job description

Goldbelt is seeking a SME Network and Computer Systems Administrator to lead high-assurance network design and security within classified enclaves. You will architect isolated networks, deploy NSA-approved encryption, and enforce stringent access controls per DoD directives.

The role requires 6+ years of related experience, TS clearance, and familiarity with JSIG regulations. You will work on secure communications, system hardening, and ongoing risk reduction in a DoD contracting environment.