ISSO: Secure Systems & RMF Lead (TS Clearance)

Peraton; Maryland; On-site; USD 110,000 - 170,000; Full time

Job summary

Peraton seeks an Information System Security Officer to support information assurance and IT operations at the Silver Spring, Maryland office. This full‑time, on‑site role partners with ISSMs, PMs, and ISO staff to implement RMF packages, continuous monitoring, and security controls across multiple environments.

Responsibilities include managing ATO artifacts, coordinating vulnerability remediation, and maintaining classified systems while ensuring compliance with DoD guidance and JSIG/ ICD‑503

Qualifications

• BS/BA with 5 years of experience or MS/MA with 3 years.
• Security+ or DoD 8570 IAM Level II equivalent certification.
• Experience with SAP and/or DCSA assessments and authorizations.
• 3+ years with ATO, continuous monitoring, POA&Ms, SA, and NIST 800-37/Rev4/Rev5.
• Experience with SCAP, STIGs, and other compliance tools.
• Strong written and verbal communication skills.
• Active TS clearance with ability to obtain SCI.

Responsibilities

• Assist ISSM with information assurance efforts across multiple environments in Silver Spring, MD.
• Perform ISSO roles as prescribed by DAAG, JSIG, ICD-503, and other regulations.
• Create, manage, and maintain RMF package documentation and artifacts.
• Prepare and update documentation using approved templates and regulations.
• Meet continuous monitoring requirements including weekly audits and patching.
• Manage vulnerabilities, perform remediation, monitor logs, and report concerns.
• Provide data for POA&Ms and manage them through system lifecycles.
• Oversee maintenance of Linux and Microsoft classified systems; assist in technical tasks.
• Apply security controls per DoD STIGs and customer requirements.
• Collaborate with stakeholders to identify additional controls.
• Assist in incident response, self-inspection, and inventory efforts.
• Track deployment of software/hardware to classified environments.

Skills

Security+ certification

ATO process

Continuous monitoring

NIST 800-37/800-53

SCAP & STIGs

Written and verbal communication

TS clearance

SCI eligibility

Education

BS/BA in technical field

MS/MA preferred

Tools

Ubuntu

Red Hat

Job description

Peraton seeks an Information System Security Officer to support information assurance and IT operations at the Silver Spring, Maryland office. This full‑time, on‑site role partners with ISSMs, PMs, and ISO staff to implement RMF packages, continuous monitoring, and security controls across multiple environments.

Responsibilities include managing ATO artifacts, coordinating vulnerability remediation, and maintaining classified systems while ensuring compliance with DoD guidance and JSIG/ ICD‑503