Sr. Specialist, Information Security Systems Engineer

Job Title: Sr. Specialist , Info Security Systems Engineering Job Code: 40497 Job Location: Colorado Springs, CO Job Schedule: 9/80 (Every Other Friday Off) Job Description: The successful candidate will support a highly motivated engineering team in defining, designing, implementing, documenting, testing and sustaining security solutions on National Security Systems, or other systems engineered for our government customers, using current standards within National Institute of Standards & Technology (NIST) Risk Management Framework, Special Publications 800-37, 800-53, 800-171, and other NIST publications; Committee on National Security Systems Instruction (CNNSI) 1253, Joint SAP Implementation Guide (JSIG), Federal Information Processing Standards (FIPS), and Cyber Survivability Attributes found in DOD’s Cyber Survivability Endorsement Implementation Guide to certify and achieve system accreditations. The successful candidate will work with system developers or commercial product vendors in the design and evaluation of state-of-the-art secure systems, networks, and database products, using methods such as encryption technology, vulnerability analysis and security management. Essential Functions: Exercise skills in NIST Risk Management Framework (RMF) and all related NIST publications, to include writing System Security Plans, Security Control Traceability Matrix, Continuous Monitoring Plan, Security Assessment Plans & Procedures, Security Concept of Operations, Plan of Action and Milestones. Perform skills in implementing/assessing security controls, to include writing system security categorization memorandum, recommending appropriate security control overlays, define security control baseline based on defined system security categorization and approved security overlays, and apply security controls to computing/network nodes and verify implementation of security controls. Assist in systems/software engineering functions, to include creation of data flow diagrams, interface control documents, perform trade studies, and Static Application Security Testing (SAST) for Application Security and Development Secure Technical Implementation Guide (STIG) compliance using tools such as Fortify/Coverity and Gitlab as part of a DevSecOps Continuous Integration/Continuous Deployment (CI/CD) Pipeline, and generation of summary reports. Define/manage systems/security architectures including system security boundaries, vulnerability management and risk mitigation and remediation strategies within networks, systems, applications and new technology initiatives (hardware, software, firewalls, intrusion detection systems, anti-virus systems and software deployment tools); and Infrastructure/Platform/Software as a Service (IaaS, PaaS, SaaS) implementations in cloud environments. Define/manage systems/security architectures including system security boundaries in on-premises data center systems and ultimately deploy to secure cloud-based system, to include configuration and use of defense and assessment tools specific to each environment type. This position is performed 100% onsite and cannot be performed remotely. Up to 25% travel is possible Qualifications: Bachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience. Must have active SECRET. Active TS/SCI with poly is highly desired. DoD 8140.03 IASAE Level 2 certification. Preferred Additional Skills: Perform Model Based System Engineering (UML, SysML, UAF). Configure/operate vulnerability analysis tools such Tenable NESSUS Security products. Develop dashboards, configure rules and operate/administer SEIM/audit reduction tools (e.g., Splunk). In compliance with pay transparency requirements, the salary range for this role in Colorado state is $92,500-$171,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements. The application window for this position will close on 10/1/2026.