IT Security Engineer

Description Join a team committed to a mission! At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Are you ready for your next career challenge? The Defense Sector at Leidos currently has an opening for a Senior Cyber Security Engineer to work at Robins AFB GA. This is an exciting opportunity to use your experience helping the Special Projects program and Air Force mission. In this mission we provide IT and engineering expertise along with Information Assurance Services to customers CONUS and OCONUS in support of network and information security systems for multiple closed user groups and are developing and building a network fiber system. Our program entails maintaining and enhancing the information systems and networks and performing system enhancements, software installation, integration, testing, and deployment services. Primary Responsibilities: You will provide ISSE support to the program and a secure communications and data transfer network that consists of a series of secure networks that are already fielded and in sustainment. You will also be responsible for providing cyber expertise for new installs and tech refreshes that require engineering and security architecture design, integration and install, test, and deploy to operations. You will be ensuring cybersecurity is applied to our secure communications operational data transfer between various CONUS and OCONUS sites with security adequate to protect information at the SECRET level; designing, installing, administering, and maintaining secure communications capabilities between existing and new sites; and, providing Operations and Maintenance (O&M) documentation and training. Designing and implementing technical security controls, identify and remediate vulnerabilities, and advice to Information System Security Managers (ISSMs), and Program Managers. Provide cybersecurity expertise and knowledge to implement the System Security Plan. Create the Security Assessment Report. Create Plan of Action and Milestones. Implement Plans of Actions and Milestones. Ensure required vulnerability scans meet the standards required to obtain and maintain an ATO from the Authorizing Official. Basic Qualifications: A bachelor’s degree in IT, Computer Science, Engineering, or other technical discipline and 10 or more years of prior relevant experience, or 14 years of experience without a degree. Must be a US Citizen and actively possess a Top Secret SCI security clearance. Any one of the following DoD Manual 8140.03 certifications: Security+, CASP, CISSP Experience designing and implementing technical security controls, identify and remediate vulnerabilities. A strong working knowledge of RMF. Experience in applying security principles to all states of system development from requirements development through operational acceptance. Experience in conducting information systems security assessments, evaluating IA and Cybersecurity controls, and conducting and supporting RMF activities. Experience with Operational Air Force or Space Force systems. Experience with ACAS, Xacta and / or eMASS. Experience and/or certifications associated with RMF, ICD 503, NIST SP800-53 Experience in current authorization practices, particularly within the DoD Experience in accreditation of Windows, Linux, Cisco, SQL or Oracle databases, virtualized systems, Red Hat Enterprise License (RHEL) Linux 7, ACAS, Tenable systems. Preferred Quals: Knowledge of ATOs and required security controls for DoD networks Previous experience working with cyber teams to gain ATOs Experience with Air Force Special programs Experience with DoD systems DABAOPP1 If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: September 8, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $107,900.00 - $195,050.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at . Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). 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Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. Leidos