SR Information System Security Officer (ISSO)

Peraton is seeking a Senior Information Assurance Security Officer (Sr. ISSO) to support our Department of Defense customer as part of a highly motivated and technically skilled team. The ideal candidate will bring a proven track record of raising enterprise compliance levels driving RMF accreditations implementing defensive cyber operations and guiding large research operational and national-level programs through rapid threat evolution.

What youll do:

• Provide cybersecurity and information assurance support within cloud hybrid and traditional infrastructure environments
• Develop and maintain enterprise-wide security strategies and RMF documentation (SSPs POA&Ms SCTMs ConMon plans) to support system authorization and accreditation
• Lead RMF accreditation and ATO renewal efforts adjudicate POA&Ms and prepare risk acceptance recommendations for senior leadership
• Conduct vulnerability assessments interpret scan results integrate vulnerability management threat intelligence and defensive operations data to drive continuous monitoring and risk reduction.
• Support security control implementation and assessment ensuring compliance with NIST 800-53 JSIG ICD 503 and CNSSI 1253 frameworks
• Lead dashboard and analytical products development that visualize risk posture and compliance metrics across systems and networks.
• Partner with technical development teams to ensure secure design secure coding and secure deployment of applications and analytic platforms
• Lead or participate in technical exchanges with partner organizations and external assessors to ensure alignment with DoD and IC cybersecurity policy
• Communicate complex cybersecurity issues clearly to both technical and non-technical audiences

Required Qualifications:

• Associates degree and 10 years of experience in a systems engineering related field; OR bachelors degree in Computer Science Computer Engineering or related field and 8 years of experience in a systems engineering related field; OR a masters degree in Computer Science Computer Engineering or related field and 6 years of experience in a systems engineering related field. Additional Four (4) years of relevant experience will be considered in lieu of a bachelors degree
• This position requires the candidate possess a minimum of Top-Secret clearance with the ability to obtain TS/SCI. The candidate must maintain the clearance
• Advanced DoD 8140.03 certification (e.g. CISSP CISSP-ISSEP/ISSAP CISM CASP CCSP or equivalent).
• You have 6 years of experience leading RMF/ATO lifecycles including SSP development SCA coordination POA&M remediation and Continuous Monitoring execution.
• Strong understanding of NIST 800-53 JSIG ICD 503 CNSSI 1253 and DoDI 8510.01 policy frameworks.
• Familiarity with Linux command-line and Windows automation (e.g. PowerShell Ansible) for configuration auditing and compliance management.
• Proven ability to conduct vulnerability assessments and provide risk analysis documentation and mitigation recommendations.
• Excellent technically focused written and verbal communication skills with experience briefing leadership and authoring technical documentation.
• Ability to work collaboratively across multidisciplinary teams and prioritize multiple concurrent projects with minimal supervision.
• Develop technical and operational standards security documentation to include policies and procedures.
• Mentor junior cybersecurity staff and contribute to process improvement policy development and audit readiness
• Familiar with data analytics and using dashboards or visualization tools for cyber risk reporting.

Desired Qualifications:

• Foundational understanding of modern cloud and orchestration technologies (e.g. AWS Azure OpenStack Kubernetes). Practical experience preferred but not .
• Prior experience supporting Insider Threat Counterintelligence or Cyber Defense operations.
• Proven track record of building and automating enterprise security processes.
• Strong leadership and mentoring skills with the ability to translate complex IA concepts into actionable technical tasks.
• Understanding the implementation of security controls applying STIG hardening and supporting system authorization packages.

Benefits:

Peraton offers enhanced benefits to employees working on this critical National Security program which include heavily subsidized employee benefits coverage for you and your dependents 25 days of PTO accrued annually up to a generous PTO cap and eligible to participatein an attractive bonus plan

#Metroplex

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the worlds leading mission capability integrator and transformative enterprise IT provider we deliver trusted highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land sea space air and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day our employees do the cant be done by solving the most daunting challenges facing our customers. Visit to learn how were keeping people around the world safe and secure.