Information Systems Security Engineer (ISSE)

Company: CACI
Location: Annapolis Junction
Posted on: April 1, 2026

Job Description:

Job Title: Information Systems Security Engineer (ISSE) Job Category: Security Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * The Opportunity: The Information Systems Security Engineer is responsible for assessing and securing complex computing environments by identifying vulnerabilities, ensuring compliance with information assurance standards, and recommending effective mitigation strategies. This role validates system security requirements, supports secure system design, and integrates security controls across networks, systems, and multi-enclave environments. The ISSE works closely with architects and developers to embed security throughout the system life cycle, manage risk, and support certification and authorization activities. The position also contributes to security planning, testing, incident response, and compliance efforts in accordance with DoD, NSA, and NIST Risk Management Framework requirements. Responsibilities: • Participate as a security engineering representative on engineering teams for the design, development, implementation and/or integration of secure networking, computing, and enclave environments • Participate as a security engineering representative on engineering teams for the design, development, implementation and/or integration of IA architectures, systems, or system components • Participate as the primary security engineering representative on engineering teams for the design, development, implementation, evaluation, and/or integration of secure networking, computing, and enclave environments • Apply knowledge of IA policy, procedures, and workforce structure to design, develop, and implement secure networking, computing, and enclave environments • Interact with the customer and other project team members • Participate as the primary security engineering representative on engineering teams for the design, development, implementation, evaluation, and/or integration of IA architectures, systems, or system components • Support the Government in the enforcement of the design and implementation of trusted relationships among external systems and architectures • Support security planning, assessment, risk analysis, and risk management • Identify overall security requirements for the proper handling of Government data Qualifications: Seven (7) years of experience as an ISSE on programs and contracts of similar scope, type, and complexity required. Bachelor’s degree in computer science, Information Assurance, Information Security System Engineering, or related discipline from an accredited college or university is required. DoD 8570 compliance with IASAE Level 2 is required. Four (4) years of ISSE experience may be substituted for a bachelor’s degree. - 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, you’ll be part of a high-performing group dedicated to our customer’s 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. You’ll 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 nation's 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: $103,800 - $218,100 CACI is an Equal Opportunity 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 other protected characteristic.

Keywords: CACI, Annandale , Information Systems Security Engineer (ISSE), IT / Software / Systems , Annapolis Junction, Virginia