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Information System Security Officer (ISSO)

CACI


Job Location:

Hanover, PA - USA

Yearly Salary: USD 103800 - 218100
Posted: 29 September 2026 (6 days ago)
Application Deadline: 27 December 2026
Vacancies: 1 Vacancy

Job Summary

Job Title: Information System Security Officer (ISSO)

Job Category: Security

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI with Polygraph

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

* * *

The Opportunity:


CACI as a Prime Contractor on MWIII Bridge. All positions in the Hanover MD area. MWIII Bridge develops and supports Identity Credential and Access Management (ICAM) capabilities for the enterprise and stand-alone deployment throughout the IC. Tasks include program management mission support software integration software development system engineering migration testing documentation development network and system monitoring configuration control and release management.

Responsibilities:


The candidate will be responsible for security architecture and systems engineering supporting ICAM projects. The ISSO will provide guidance to the team to support system accreditation (IATT and ATO).

ISSO tasks include:

  • Prepare system security plan (SSP) and provide recommendations to assist in obtaining ATOs.

  • Identify develop (either directly or in coordination with applicable experts) review and incorporate common artifacts found in an RMF accreditation package such as: system architecture and boundaries hardware and software lists risk assessment reports POA&Ms data flows and other necessary system network and application documentation.

  • Work with ISSM and DAOs to ensure systems obtain and maintain accreditation.

  • Verify package submissions have met the threshold for approval such as: C&A Package for System Reauthorization SAR Findings CTOs POA&Ms and System Security Plans (SSPs).

  • Apply continuous monitoring techniques to evaluate the systems security posture.

  • Create tasking for developers and system administrators as changes and patching are required.

  • Oversee the implementation of software patches to maintain the security posture of the organization.

  • Responsible for implementing and enforcing information systems security policies standards and methodologies.

  • Familiarity with the use of vulnerability scanning and assessment tools (e.g. ACAS/Nessus) necessary to identify and document compliance.

  • Review Audit Logs on a weekly basis.

  • Perform Data transfers on a weekly basis driving from CACI Hanover Office to Ft. Meade.

  • Maintain and report assessment and authorization statuses and issues in accordance with organizational guidance.

  • Understand the PRIVAC process. Support personnel with new PRIVAC requests and extensions.

Qualifications:
Required:

  • TS/SCI clearance with polygraph

  • This position has been designated as requiring IAM Level 1 CWIP certification and requires one of the following baseline certifications to qualify

  • CAP CND Cloud GSLC SecurityCE HCISPP CASPCE CISM CISSP (or Associate) CCISO

  • Bachelors degree in a technical discipline from an accredited college or university

  • Ten (10) years relevant work experience. Four (4) years of additional experience may be substituted for a bachelors degree.

  • At least four (4) years of this experience must be as an ISSO on programs and contracts of similar scope type and complexity.

Desired:

Experience with:

  • The ICD 503/NIST 800-53 certification and accreditation process

  • The Risk Management Framework

  • Developing and maintaining SSPs

  • IAVA review and handling

  • Interpreting Security Scan results

  • Interfacing with System Administrators and Software Engineers

  • Task tracking systems (e.g. Jira Redmine ServiceNow)

Understands:

  • Public Key Infrastructure-based authentication

  • A variety of security policies especially within the IC

  • Fundamentals of technical security risk assessment

  • Understands how to perform analysis of alternatives

  • Able to clearly communicate ideas and status updates to management and other stakeholders

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What You Can Expect:

A culture of integrity.

At CACI we place character and innovation at the center of everything we do. As a valued team member youll be part of a high-performing group dedicated to our customers missions and driven by a higher purpose to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. Youll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together we will advance our nations most critical missions build on our lengthy track record of business success and find opportunities to break new ground in your career and in our legacy.


Pay Range:

There are a host of factors that can influence final salary including but not limited to geographic location Federal Government contract labor categories and contract wage rates relevant prior work experience specific skills and competencies education and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI you will receive comprehensive benefits such as; healthcare wellness financial retirement family support continuing education and time off benefits.

The proposed salary range for this position is:

$103800 - $218100

CACI is anEqualOpportunity Employer. All qualified applicants will receive consideration for employment without regard to race color religion sex pregnancy sexual orientation age national origin disability status as a protected veteran or any otherprotectedcharacteristic.

Required Experience:

Unclear Seniority


About Company

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CACI employs a diverse range of talent to create an environment that fuels innovation and fosters continuous improvement and success. At CACI, you will have the opportunity to make an immediate impact by providing information solutions and services in support of national security miss ... View more

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