Information Assurance Specialist III — Cybersecurity

Job overview

The Information Assurance Specialist III — Cybersecurity role is onsite in Arlington, VA, with compensation of $110,000–$125,000 per year. OneZero Solutions supports the Defense Security Cooperation Agency’s cybersecurity program across approximately 25 systems; the posting also lists Mechanicsburg, PA as a work location option. The specialist supports the agency’s security posture by managing authorization packages, assessing controls, and advancing continuous monitoring in a cloud-native, DevSecOps-oriented environment. The work helps maintain system authorizations and improve compliance evidence and remediation.

What you'll do

• Manage RMF and CSRMC authorization packages in eMASS
• support A&A and continuous ATO
• assess security controls across cloud-native and traditional services
• conduct security control assessments
• maintain RMF documentation and POA&Ms
• validate Compliance-as-Code evidence
• monitor CI/CD security
• prioritize vulnerabilities and brief stakeholders
• and support cloud-native incident response.

What we're looking for

Skills & competencies

information assurance

cybersecurity

rmf

emass

cloud security

devsecops

aws

secret clearance

arlington va

mechanicsburg pa

onezero solutions

$110k–$125k

Work arrangement

• Weekend coverage required

Benefits & perks

• Health, dental, vision, and life insurance
• 401(k) with company match
• paid time off and holidays
• employee referral program
• and educational assistance.

Why this role

Active Secret clearance, U.S. citizenship, and a qualifying DoD 8570/8140 certification are required; onsite work may be in Arlington, VA or Mechanicsburg, PA.

About the employer

OneZero Solutions is hiring for this role. Industry: Computer Systems Design Services. Sector: 54.