Information System Security Officer - Top Secret Clearance | Philadelphia, PA We are currently seeking an
Information System Security Officer to support operations in Philadelphia, PA. This is a
full-time, CONUS position requiring an active DoD
Top Secret clearance.
This position is contingent upon contract award. The expected award date is May 2026.
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: Education & Experience: - Bachelor's degree in computer science, information technology, communications systems management, or an equivalent science, technology, engineering & mathematics (STEM) degree from an accredited college or university
Technical Expertise: - Six (6) years of experience implementing and coordinating cybersecurity policies across organizational levels, ensuring compliance with DoD and federal standards.
- Proven expertise conducting vulnerability assessments, threat analyses, and risk mitigation activities.
- Demonstrated ability to support cyber incident response - including isolating affected assets, performing initial investigations, collecting data, and providing detailed status reports.
Certifications: - Meets DoD IAM Level II baseline requirements - holding one or more of the following: CAP, CASP+ CE, CISM, CISSP (or Associate), GSLC, CCISO, or HCISPP
- OS/CE Qualification: As directed by Privileged Access Agreement and requirements.
- 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 | Health.mil.
Office setting: - 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
- Sign-on and performance-based bonuses
- Employee referral program
- Access to Tickets at Work, EAP, wellness initiatives, and more
