Senior ISSM/ISSO - DoD RMF & ATO Expert (TS/SCI)

Cybersecurity Jobs; Arlington (VA); On-site; USD 117,000 - 143,000; Full time

Benefits offered by this job

Medical, dental, vision

Employer-paid life insurance

401(k) with company match

PTO

Paid sick leave

Job summary

Ursa Mobile, Inc supports mission-critical work in Government-secured environments. This onsite Arlington, VA role helps sustain compliance, harden systems, and support incident readiness across NIPR, SIPR, JWICS, and other special-access networks.

The position requires a Bachelor’s degree and 7+ years IT experience, including 4+ years in a classified DoD environment, with an active TS/SCI clearance. Onsite work in NCR area; salary around $130,000 per year.

Qualifications

• Bachelor’s degree in computer science, IT, cybersecurity, or a related field (equivalent experience may be considered).
• 7+ years of IT experience, including 4+ years in a classified DoD network environment (NIPR/SIPR/JWICS).
• DoD 8570.01-M / 8140 IAT Level II certification at time of assignment (examples: Security+, CISSP, or equivalent).
• Active TS/SCI clearance; SAP access required or attainable within 60 days.

Responsibilities

• Support Government-furnished information systems on NIPR, SIPR, JWICS and other special-access networks.
• Serve as an ISSM/ISSO by maintaining SSPs, POA&Ms, and RMF documentation required to maintain the ATO.
• Coordinate with the Government ISSM on A&A activities to sustain continuous ATO status.
• Implement and maintain cybersecurity controls, including patch management, STIG configuration, system hardening, and audit-log review.
• Perform diagnostics, fault isolation, and performance optimization for classified network infrastructure.
• Respond to and report cybersecurity incidents in line with the DoDI 8530 series and applicable directives.
• Manage user account lifecycle activities under least privilege.
• Maintain network diagrams, configuration baselines, and security documentation.
• Support supply-chain risk management for hardware and software procurements.

Skills

ISSM/ISSO experience

RMF/A&A

DoD 8570.01-M / 8140 IAT II

Active TS/SCI clearance

Education

Bachelor’s degree in CS/IT/cybersecurity

Tools

RMF/A&A

STIG configuration

eMASS

Azure Administrator

Job description

Ursa Mobile, Inc supports mission-critical work in Government-secured environments. This onsite Arlington, VA role helps sustain compliance, harden systems, and support incident readiness across NIPR, SIPR, JWICS, and other special-access networks.

The position requires a Bachelor’s degree and 7+ years IT experience, including 4+ years in a classified DoD environment, with an active TS/SCI clearance. Onsite work in NCR area; salary around $130,000 per year.