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Information Assurance Security Engineer​/Information System Security Engineer Level 3

Job in Suitland, Prince George's County, Maryland, 20746, USA
Listing for: CACI International Inc
Full Time position
Listed on 2026-06-26
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
Job Description & How to Apply Below

Job Title:

Information Assurance Security Engineer/Information System Security Engineer Level 3
Job Category:
Engineering
Time Type:
Full time
Minimum Clearance Required to Start: TS/SCI
Employee Type:
Regular
Percentage of

Travel Required:

Up to 10%
Type of Travel:
Local
* * *

The Opportunity

CACI is seeking a skilled and experienced Information Assurance Security Engineer/Information System Security Engineer (Level
3) to join our dynamic team to support a DoD client in Suitland, MD. The ideal candidate will have a robust background in security engineering, extensive experience with Department of Defense (DoD) and Intelligence Community (IC) security frameworks, and a proven track record in implementing security practices throughout the System/Software Development Life Cycle (SDLC). This role requires a proactive, results-oriented individual with exceptional interpersonal and communication skills.

Responsibilities
  • Security Engineering:
  • Implement and maintain security engineering practices in accordance with DIACAP/DoD RMF, DCID 6/3, ICD-503, and NIST Risk Management Framework.
  • Ensure compliance with IC, DoD, DISA, NAVINTEL IA, FLTCYBERCOM, and DoDIIS processes, tools, systems, reporting mechanisms, and requirements for C&AIA&A.
  • System/Software Development:
  • Design, develop, and integrate security features into systems and software.
  • Conduct security testing, system administration, application administration, training, deployment, and O&M.
  • Scanning and Hardening:
  • Design and develop host-based and network-based scanning tools.
  • Utilize SCAP-based tools and specifications for compliance testing and continuous monitoring.
  • Harden modern operating systems (Unix and MS Windows) using Security Technical Implementation Guides (STIG).
  • Project Management:
  • Manage security-related projects, ensuring timely delivery and adherence to security standards.
  • Collaborate with cross-functional teams to implement security controls and best practices.
  • Documentation and Reporting:
  • Develop security controls, testing methodologies, and test procedures for systems, cloud-based architectures, and Cross Domain Solutions (CDS).
  • Prepare comprehensive reports and documentation for security assessments and compliance reviews.
  • Customer Relations:
  • Provide exemplary customer service and build strong relationships with stakeholders.
  • Communicate effectively both orally and in writing to convey complex security concepts and solutions.
Qualifications
  • TS/SCI Clearance
  • BS/BA in Computer Science, Electrical Engineering, Information Technology, Information Assurance, or a related field. MS preferred.
  • Minimum of 8 years of Security Engineering experience.
  • Minimum of 2 years of Project Management experience preferred.
  • 5+ years of software development experience in Java, C, C++, or other programming or scripting languages.
  • Specific

    Experience:
  • Extensive experience with DIACAP/DoD RMF, DCID 6/3, ICD-503, and NIST Risk Management Framework.
  • Proven experience with IC, DoD, DISA, NAVINTEL IA, FLTCYBERCOM, and DoDIIS processes.
  • Experience implementing security engineering practices in the SDLC.
  • General knowledge of DoD, IC, and national-level system security initiatives and secure Information/LAN/WAN technologies.
  • Certifications:
  • Must possess Certified Information Systems Security Professional (CISSP) certification prior to reporting onboard.
  • Information Systems Security Engineering Professional (ISSEP) preferred.
  • Certified Advanced Security Practitioner (CASP) preferred.
  • Skills:
  • Exemplary proactive, results-oriented interpersonal and customer relations expertise.
  • Strong team-building skills.
  • Effective oral and written communication skills.
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…

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