Senior ISSM: Multi-Domain Security Lead (TS/SCI)

Aalyria; Washington (Washington County); Hybrid; USD 180,000 - 240,000; Full time

Job summary

Aalyria Technologies seeks an experienced Information Systems Security Manager to lead accreditation, operation, and sustained compliance for a multi-domain classified facility in Chantilly, VA. Hybrid/remote during design, with on-site after standup, reporting to the FSO and coordinating with AOs, ISSOs, and program security personnel.

The role requires hands-on knowledge of ICD 503, RMF, and IC A&A, and will shape security architecture, policy, and procedures from the ground up in a

Qualifications

• Active TS/SCI clearance with SCI eligibility, fully adjudicated at time of hire.
• 10+ years information security experience; ≥5 years in ISSM or senior ISSO within an IC/IC-adjacent contractor.
• Hands-on experience with ICD 503 and IC-specific A&A processes; RMF experience preferred.

Responsibilities

• Lead A&A activities for multiple classified and unclassified systems per ICD 503, RMF, IC directives.
• Develop, maintain SSPs and SARs; complete ATO/ATC packages across enclaves.
• Coordinate pre-authorization with government AOs; manage POA&M items to closure.
• Design and implement continuous monitoring programs; oversee vulnerability management.
• Serve as ISSO during facility standup; coordinate with FSO and security personnel.

Skills

TS/SCI clearance

10+ years information security

IC RMF/A&A

Multi-domain networks

DoD 8140 IAM III

SSP/SAR/ATO

Job description

Aalyria Technologies seeks an experienced Information Systems Security Manager to lead accreditation, operation, and sustained compliance for a multi-domain classified facility in Chantilly, VA. Hybrid/remote during design, with on-site after standup, reporting to the FSO and coordinating with AOs, ISSOs, and program security personnel.

The role requires hands-on knowledge of ICD 503, RMF, and IC A&A, and will shape security architecture, policy, and procedures from the ground up in a