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Cambridge International Systems, Inc. · 3 months ago

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

Philadelphia, PA

Full-time

Onsite

Senior Level

6+ years exp

Cambridge International Systems, Inc. is a dynamic global team focused on defense and security challenges. They are seeking an Information System Security Officer to support operations in Philadelphia, PA, ensuring compliance with cybersecurity policies and managing security controls for DoD systems.

Cyber SecurityInformation Technology

No H1B

Security Clearance Required

U.S. Citizen Only

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

Qualification

DoD IAM Level II certificationNIST 800-53 complianceCybersecurity policies implementationVulnerability assessmentsIncident response supportRisk mitigation activitiesProficient with IT toolsDegree in STEMContinuous monitoringCollaboration with system owners

Required

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

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

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 DFARS 252.239-7001 requirements

Must have a current and active DoD Top Secret security clearance

Proficient with modern IT tools and infrastructure technologies

Benefits

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

Company

Cambridge International Systems, Inc.

At Cambridge International Systems, Inc. we design and deliver innovative and adaptive solutions to address capacity-building needs and enable success.

Founded in 1994

Arlington, Virginia, USA

201-500 employees