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Information Systems Security Engineer (ISSE)

CACI


Yearly Salary: USD 82700 - 173900
Posted: 12 September 2026 (10 hours ago)
Application Deadline: 10 December 2026
Vacancies: 1 Vacancy

Job Summary

Job Title: Information Systems Security Engineer (ISSE)

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: Secret

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

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The Opportunity:

The Information Systems Security Engineer (ISSE) serves as a key technical cybersecurity professional supporting our US Army customer and the Next Generation Command and Control (NGC2) modernization this role you will partner closely with Assistant Program Managers (APMs) Product Managers (PdMs) and engineering teams to embed securitybydesign across modernized tactical software baselines containerized applications and secure hybrid cloud/onprem architectures. The ISSE ensures modernization efforts maintain a robust resilient and defensible security posture against evolving tactical threats.


Responsibilities:

Program Support & Collaboration

  • Partner with APMs PdMs lead systems engineers and cybersecurity personnel to execute the programs cybersecurity strategy.

  • Provide proactive technical consultation to evaluate proposed designs architectures and software configurations early in the lifecycle to minimize security risk.

Cybersecurity Documentation & Artifacts

  • Develop review and maintain core program cybersecurity documentation such as the Program Protection Plan (PPP) Cybersecurity Strategy (CSS) System Security Plans (SSP) and technical cyber architecture diagrams.

Modern Architecture & Zero Trust Support

  • Contribute to the design and engineering of secure resilient architectures across hybrid cloud (IL5/IL6) virtualized and tactical edge environments.

  • Integrate Zero Trust principles access control mechanisms encryption approaches and faulttolerant strategies into system designs.

Secure Engineering & Automation

  • Promote secure software engineering practices to reduce flaws bugs and weaknesses.

  • Collaborate with DevSecOps teams to implement automated security controls container vulnerability scanning and complianceascode within CI/CD pipelines.

  • Support automation of Windows and Linux system hardening efforts.

Vulnerability Management & Compliance Verification

  • Conduct and analyze ACAS/NESSUS scans DISA STIG/SRG compliance checks and static/dynamic source code vulnerability assessments.

  • Assist in developing improved automated vulnerability management and patching processes.

Governance & Remediation

  • Represent Cybersecurity interests on Configuration Control/Review Boards (CCB/CRB).

  • Coordinate with engineering vendor and contractor teams to address vulnerabilities communicate remediation steps and manage residual risk.


Qualifications:

Required:

  • Active DoD Secret clearance with ability to obtain and maintain a Top Secret (TS).

  • Bachelors degree in Cybersecurity Systems Engineering Computer Science or related technical field An additional 6 years of DoD cybersecurity experience may substitute for the degree.

  • 5 years of handson engineering experience in cybersecurity secure systems design or related role.

  • DoD 8140/8570 IASAE Level II certification (CASP CISSP or CSSLP).


Desired:

  • Active DoD TS clearance.

  • Familiarity with Army Systems Acquisition processes milestone decision points and associated cybersecurity artifact requirements.

  • Ability to align technical solutions with Army program needs and support programlevel cybersecurity strategy.

  • Agile & DevSecOps Frameworks: Practical experience working within Agile/SAFe development frameworks. Understanding of secure software development lifecycles CI/CD automated pipeline security and containerization.

  • Architecture & Engineering: Hands-on experience with secure cloud (Azure and AWS GovCloud Impact Level 5/6 environments) virtualized platforms (VMware Hyper-V) and on-premise tactical system architectures. Ability to translate complex security controls into technical implementable requirements.

  • Tactical Domain Expertise: Technical understanding of Army Mission Command (MC) / Command and Control (C2) architectures and tactical network environments. Experience securing systems within Army Warfighting Functions (WfF) and transitioning legacy systems to modernized NGC2 capabilities.

  • Networking & Security Design: Solid understanding of traditional cloud and tactical networking concepts (TCP/IP VLANs routing firewalls VPNs) across the Integrated Tactical Network (ITN). Experience with endpoint detection and response (EDR) tools automation scripting (Windows/Linux) and Security Orchestration Automation and Response (SOAR).

  • Risk Management Framework (RMF): Strong working knowledge of NIST SP 800-53 security controls DoDI 8510.01 Risk Management Framework (RMF) for DoD Information Technology and AR 25-2 Army Cybersecurity. Fluent in navigating the DoD Authority to Operate (ATO) lifecycle via eMASS and conducting residual risk assessments.


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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:

$82700 - 173900 USD

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:

IC


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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