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Information Systems Security Engineer

CACI


Job Location:

Chantilly, VA - USA

Yearly Salary: USD 82100 - 172400
Posted: 5 September 2026 (6 hours ago)
Application Deadline: 3 December 2026
Vacancies: 1 Vacancy

Job Summary

Job Title: Information Systems Security Engineer

Job Category: Engineering

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

Anticipated Posting End: 1/1/2027

The Opportunity:

The CIS program supports our intelligence customer deliver IT services to conduct its globally distributed operations. We are driving an exciting technological transformation of customer IT services by leading the design development implementation and operation of cutting-edge solutions. This includes continuous service improvement through the modernization of IT system infrastructure.

CACI is looking for an experienced innovative and motivated Information Systems Security Engineer to support the mission objectives and needs of the customer the Defense Intelligence this role you will be a key technical member of our engineering team and contributor to designing delivering and maintaining secure IT services. You will collaborate with our team of engineers cyber professionals and our government stakeholders to secure some of the worlds most sensitive systems.

The position is contingent upon award of the DIA SITE III CIO Infrastructure Services (CIS) contract.

Responsibilities:

  • Support engineering solution design and development and their adherence to all aspects of applicable U.S. Government Information Assurance (IA) standards and programs including Director of Central Intelligence Directives (DCIDs) IC Directive (ICD) 503 and associated DoD and NIST publications

  • Implements Zero Trust Architecture (ZTA) principles and capabilities supporting the cybersecurity posture for the environment and the network; enforces compliance with Identity Credential and Access Management (ICAM) policies for all information systems services and solutions over the life of the contract

  • Research analyze and recommend security controls and their implementation in IT solutions using Risk Management Framework (RMF) and other applicable guidance

  • Oversee development of test cases test scenarios and specific test scripts that exercise and validate application of identified security controls; includes both expected positive and negative outcome testing for comprehensive cybersecurity coverage

  • Develop procedures and templates for Assessment and Authorization (A&A) documentation and related artifacts

  • Oversee all development and integration cybersecurity testing initiatives and ensures sufficient bodies of evidence artifacts are produced to demonstrate infrastructure security posture outcomes

  • Collaborate with program ISSO and government stakeholders of cyber hygiene best practices vulnerability awareness actions and remediations including those from DoD IAVA/IAVB CERT CVE and IC-related tracking databases

  • Guide and provide expertise into other cross-discipline IA controls or services (e.g. industrial security physical security special programs) for program and Government security personnel

  • Provide engineering services in support of operations transition

  • Aid in creation of content required documentation reports and data adhering to schedule format and content requirements specified by the contract

Qualifications:

Required:

  • Must hold a current Top Secret SCI clearance with ability to obtain poly prior to start

  • DOD 8140 Certification applicable to role (minimum Security)

  • HS and 12 years of experience an AA and 10 years of experience BS/BA and 8 years of experience MS/MA and 6 years of experience or PhD and 4 years of experience

  • Certification and two years of hands-on technical experience demonstrating progressively increasing responsibility for information assurance

  • Experience in ICD 503 certification and accreditation

  • Familiarization with NIST Special Publication 800-37 Revision 1 Guide for Applying the Risk Management Framework to Federal Systems; Committee on National Security Systems Instruction (CNSSI) 1253; and NIST SP 800-53 Revisions 3 and 4 NIST SP 800-39 and NIST SP 800-30

  • Maintain required technical and security training relative to cybersecurity duties in accordance with DoD Instruction 8510.01 Risk Management Framework for DoD Systems; NIST Special Publication 800-53 Recommended Security Controls for Federal Information Systems Organizations; and DoD Directive 8570.01-M IA Workforce Improvement Program

  • Willingness to learn new skills and new technologies

Desired:

  • Degree in Science Technology Engineering or Mathematics

  • Familiarity with IC ITE services and classified environments

  • ITIL 4 Foundation Certification (or higher)

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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.

Since this position can be worked in more than one location the range shown is the national average for the position.

The proposed salary range for this position is:

$82100-$172400

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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