Information System Security Officer (ISSO) – Top Secret Clearance | Philadelphia, PA

Information System Security Officer – Top Secret Clearance

• Philadelphia, PA  Cambridge International Systems, Inc.  Join a dynamic global team united by shared values :

|commitment, integrity, and perseverance.

This is a full-time, CONUS position requiring an active DoD Top Secret clearance.   This position is contingent upon contract award in October 2025.     What You’ll Do  Serve as an ISSO supporting RMF compliance and cybersecurity for DoD systems.  Implement and monitor security controls, ensuring adherence to NIST 800-53 and DoD policies.  Conduct vulnerability assessments, threat analyses, and continuous monitoring using tools like ACAS, STIG Viewer, and eMASS.  Support incident response activities, including isolating assets, collecting data, and reporting findings.  Maintain RMF documentation (SSPs, POA&Ms, RARs) and ensure system accreditation packages remain current.  Collaborate with system owners, administrators, and the ISSM to sustain system security posture.  Track, report, and resolve cybersecurity findings while preparing for audits and inspections.  What You’ll Bring  Required Qualifications :

Must have a current and active DoD Top Secret security clearance.  Proficient with modern IT tools and infrastructure technologies  Travel & Passport  Some overnight stays possible.   Work Environment  Compliance with vaccination and medical requirements for TDY / OCONUS roles as per Vaccine Recommendations by AOR

|  Primarily an office-based role in Philadelphia, PA  Standard desk / computer work with flexibility for walking and movement on site  Must be able to work in an office environment, sitting at a desk, looking at a computer for most of the workday.  Work is physically comfortable; the employee has discretion about sitting, walking, standing, etc.  May be required to travel short distances to offices / conference rooms and buildings on site.    Background & Security  Employment is contingent upon successful background investigation  Drug screening may be required for federal contract compliance  Benefits & Perks  We believe in investing in our team—both professionally and personally :   Medical, dental, vision, life, accident, and critical illness insurance  401(k) immediate vesting and match  Paid time off and company holidays  Generous tuition & training support  Relocation assistance  Sign-on and performance-based bonuses  Employee referral program  Access to Tickets at Work, EAP, wellness initiatives, and more  Join Us  If you're driven by mission, technology, and teamwork—we want to hear from you.

Referrals are welcome—both employees and non-employees may qualify for a bonus.  Apply today and help shape the future of secure cloud computing for national security.  About Cambridge International Systems  At Cambridge, innovation grows through diversity.