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

About the role

Join a dynamic global team united by shared values: commitment, integrity, and perseverance. At Cambridge, you’ll work alongside top talent worldwide, tackling some of today’s most complex and critical challenges in defense and security.

Responsibilities

• 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.

Requirements

• Education & Experience:
• Bachelor’s degree in computer science, information technology, communications systems management, or an equivalent STEM degree from an accredited college or university
• Six (6) years of experience implementing and coordinating cybersecurity policies across organizational levels, ensuring compliance with DoD and federal standards.
• Technical Expertise:
• 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:
• Mets 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 DFARS 252.239-7001 requirements.
• Other:
• Current and active DoD Top Secret security clearance.
• Proficient with modern IT tools and infrastructure technologies.

Qualifications

• Education & Experience:
• Bachelor’s degree in computer science, information technology, communications systems management, or an equivalent STEM degree from an accredited college or university
• Six (6) years of experience implementing and coordinating cybersecurity policies across organizational levels, ensuring compliance with DoD and federal standards.
• Technical Expertise:
• 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:
• Mets 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 DFARS 252.239-7001 requirements.
• Other:
• Current and active DoD Top Secret security clearance.
• Proficient with modern IT tools and infrastructure technologies.

Skills

• Strong knowledge of cybersecurity policies and procedures.
• Experience with RMF compliance and DoD cybersecurity frameworks.
• Ability to conduct vulnerability assessments and threat analyses.
• Proficiency in IT tools and infrastructure technologies.
• Excellent communication and collaboration skills.

Benefits

• Medical, dental, vision, life, accident, and critical illness insurance
• 401(k) immediate vesting and match
• Paid time off and company holidays
• Tuition & training support
• Relocation assistance
• Sign-on and performance-based bonuses
• Employee referral program
• Access to Tickets at Work, EAP, wellness initiatives, and more