Information Systems Security Engineer

Job overview

The Information Systems Security Engineer role is onsite in Giesboro, DC. Compensation is not specified; the posting describes competitive salaried compensation but provides no numeric range. Spear AI’s work supports national security and U.S. Navy sonar-data capabilities. The engineer designs, integrates, and validates security for program information systems, translating Intelligence Community requirements into technical controls. The role supports classified systems through authorization evidence, hardening, vulnerability remediation, continuous monitoring, and secure development practices.

What you'll do

• Design security architectures
• implement and test RMF, ICD 503, CNSSI 1253, and NIST SP 800-53 controls
• maintain technical evidence for ATO packages with ISSM and ISSOs
• harden systems to DISA STIG and IC baselines
• conduct and remediate vulnerability scans
• integrate security into DevSecOps
• tune monitoring, auditing, and logging
• assess system changes
• support incident response
• coordinate with security staff, system owners, and government stakeholders.

What we're looking for

Skills & competencies

information systems security engineer

isse

security architecture

classified systems

rmf

ato

nist sp 800-53

devsecops

ts/sci required

giesboro dc

spear ai

Work arrangement

• Weekend coverage required

Benefits & perks

• Unlimited PTO
• dedicated sick time
• medical, dental, and vision coverage
• 11 paid holidays
• professional development. Additional opportunities may include 401(k) match, relocation assistance, bonuses, life and disability coverage, home-office stipend, and certification reimbursement, depending on position.

Why this role

Active TS/SCI clearance required and must be able to obtain a polygraph. DoW 8570/8140 IASAE Level II compliance required; Level III preferred. AI/ML security experience is a plus.

About the employer

Spear AI is hiring for this role. Industry: Computer Systems Design Services. Sector: 54.