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ARA · 3 days ago

NIPRNet / SIPRNet Administrator

Florida, NY

Full-time

Onsite

Senior Level

5+ years exp

Applied Research Associates, Inc. (ARA) is seeking a lead administrator for a SIPRNet capability supporting a DoD‑owned secret‑level enclave. The successful candidate will be responsible for designing, building, hardening, and sustaining all network and directory services required for secure SIPRNet operations.

ConsultingHealth CareInfrastructureManufacturingTraining

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Design, install, and harden a dedicated Active Directory Domain Service (AD‑DS) forest-level for the SIPRNet enclave, including OU design, Group Policy, delegation, and secure replication

Create and manage DNS zones for SIPRNet, register the enclave’s name in the DoD SIPRNet DNS hierarchy, and configure reverse lookup zones

Provision and maintain network services

Configure and manage HAIPE Type‑1 encryptors and the DISA‑approved TACLANE line that provides the enclave’s SIPRNet connectivity, ensuring continuous compliance with DoD security policies

Deploy, harden, and operate SIPRNet firewalls and DMZ infrastructure, applying DISA STIGs and DoD‑SRG controls

Integrate and support VDI technologies (VDI gateways, GPU‑enabled Omnissa servers) within the Evaluation Zone, ensuring proper AD authentication, Token/MFA, and role‑based access

Support RMF lifecycle activities (categorization, control selection, implementation, assessment, authorization, and ongoing monitoring) for the SIPRNet environment

Produce and maintain accreditation artifacts (SSP, POA&M, SAR, eMASS entries) and coordinate with the ISSM for CAO and PPSM workflows

Perform continuous monitoring using ACAS/SCAP scans (or equivalent) and remediate findings to maintain compliance

Document all configurations, run‑books, and standard operating procedures; keep network diagrams and system inventories current

Provide support for SIPRNet users accessing the VDI environment, troubleshooting authentication, connectivity, and performance issues

Serve as the technical point‑of‑contact for any audits, inspections, or DoD reviews of the SIPRNet enclave

Mentor and train other system administrators on SIPRNet best practices as needed

Qualification

SIPRNet enclave managementAD-DS designHardeningHAIPE Type-1 encryptor managementSIPRNet firewall configurationDNS managementLinux administrationRMF implementationMentoring system administratorsTroubleshooting VDI issuesComplianceDocumentation