Cyber Security Engineer

Description

Summary: Join Leidos as a Cyber Security Engineer to secure and accredit cloud-based platforms for Open Source Intelligence (OSINT) operations, leveraging AI, ML, and cross-domain systems. Highlights: 1. Play a critical role in accrediting a state-of-the-art technology stack 2. Leverage cloud, AI, ML, and cross-domain systems for data exploitation 3. Collaborate with compliance personnel, engineers, and government counterparts Apply Now Description Are you ready to join Leidos all-star team? Through training, teamwork, and exposure to challenging technical work, let Leidos show how to accelere your career ph. Leidos has an exciting opening for you, our next  Cyber Security Engineer, to play a critical role in the accredition of a ste-of-the-art technology stack under the DOMEX Technology Plform (DTP) where we support our client’s mission to centralize and standardize Tasking, Collection, Processing, Exploition and Disseminion (TCPED) of Open Source Intelligence (OSINT) across the Defense and Intelligence Community enterprises. We leverage cloud-based computing, artificial intelligence (Al), machine learning (ML) and cross-domain transfer systems to provide cutting edge da exploition, enrichment, triage, and analytics capabilities to Defense and Intelligence Community members. As a Cyber Security Engineer, you will be responsible for providing technical security expertise in securing, hardening, and maintaining compliance of cloud-based plforms across multiple secure networks. You will lean on your experience with security technologies, industry best practices, vulnerability management, and risk management frameworks (RMF) to employ effective security solutions. In this role, you will collabore closely with compliance personnel (ISSO, ISSM), software engineers and developers, system engineers and architects, and Government counterparts to perform the full spectrum of systems and cyber security engineering tasks to ensure our systems meet manded regulory compliance frameworks.  Key Responsibilities include: Develop and maintain security policies, procedures, and best practices for cloud and cloud-nive environments Perform security assessments, vulnerability management, and risk analysis for cloud-based systems across secure enclaves Implement and manage security controls for Kubernetes clusters and containerized applicions Ensure integrion of security measures into CI/CD pipelines and DevSecOps processes Conduct security reviews of cloud architectures, service configurions, and system design changes Develop and maintain ATO packages and ensure compliance with relevant standards (NIST SP 800-37, SP 800-53, CNSSI 1253, ICD 503) Implement and manage continuous monitoring solutions for cloud environments Collabore with development teams to ensure secure coding practices and perform code reviews Stay current with emerging cloud security thres, technologies, and best practices To be successful in this role you need these skills (required): BS Degree and 2-4 years of prior experience. Former Military and work experience (5 years or more) may be substituted in lei of a degree. Must have an active TS/SCI with ability to obtain/maintain polygraph security clearance Active or current Top Secret with SCI eligibility and ability to obtain Polygraph At least one DoD 8570.01-M IAT Level II or higher certificion e.g., CCNA Security, CySA+, Security+ CE, CISSP (or Associe) 1+ years working in the cloud, securely configuring and deploying AWS services Demonstred experience securing Kubernetes plforms (secrets management, RBAC, etc.) and integring security into CI/CD pipelines and containers; must understand microservices architecture and service mesh. 1+ years of experience hardening Linux hosts and applying approprie DISA STIG Demonstred experience developing A&A packages to obtain and maintain ATO in secure environments. Grounded knowledge in compliance frameworks such as NIST SP 800-37, SP 800-53, and CNSSI 1253 Familiarity with ATO validion across mission-critical programs t Familiarity with Continuous Monitoring and STIG checklist validions and NIST 800-53 v4 controls Desired Qualificions: Experience with tools such as Xacta or eMass, performing vulnerability compliance with ACAS, & STIG automion Understanding of secure software development practices and code reviews Experience with encryption and transport, especially in the Multiple IAT/IAM II or III advanced certificions (e.g. CISSP-ISSAP/ISSEP, CISM, CCSP, Security X/CASP+) Cloud certificions such as AWS Solutions Architect (Associe or Professional), AWS Security Specialty Kubernetes certificions such as KCNA, CKA, CKS Experience with tools such as Xacta or eMass, performing vulnerability compliance with ACAS, & STIG automion Prior Linux administrion experience and certificions such as Linux+, Red H certificions (e.g. RHCSA, RHCE) Experience with ICD 503 and reled compliance directives, policies, procedures Experience with security tool such as Splunk, Nessus, SonarQube, as well as DAST & SAST tools such as Prisma Cloud and SonarQube Experience applying Zero Trust framework to secure systems Prior network engineering experience Experience applying security controls to Generive AI implementions You will wow us even more if you have these skills: Software development/coding experience with programming languages such as Bash, Python, Java, and React Experience with DevOpsSec pipelines and tools Experience with dabase systems, search engines, web applicions Experience in a Linux Red H and Centos environment Experience with big da applicions Experience with Jira and Confluence Experience working in an Agile environment Experience with NIST SP 800-171 If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the stus 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 step 30 — and moving faster than anyone else dares. Original Posting: May 28, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipes th this job requisition will remain open for least 3 days with an anticiped close de of no earlier than 3 days after the original posting de as listed above. Pay Range: Pay Range $69,550.00 - $125,725.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compension or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, educion, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market da, 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 innovions. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximely $16.7 billion for the fiscal year ended January 3, 2025. For more informion, visit www.Leidos.com. Pay and Benefits Pay and benefits are fundamental to any career decision. Th's why we craft compension packages th reflect the importance of the work we do for our customers. Employment benefits include competitive compension, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available www.leidos.com/careers/pay-benefits. Securing Your Da Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-reled informion during any part of the employment applicion 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). Further, Leidos will only communice with you through emails th are genered by the Leidos.com automed system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhsApp, Telegram, etc. If you received an email purporting to be from Leidos th asks for payment-reled informion or any other personal informion (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediely by emailing us LeidosCareersFraud@leidos.com. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission. Commitment to Non-Discriminion All qualified applicants will receive considerion for employment without regard to sex, race, ethnicity, age, nional origin, citizenship, religion, physical or mental disability, medical condition, genetic informion, pregnancy, family structure, marital stus, ancestry, domestic partner stus, sexual oriention, gender identity or expression, veteran or military stus, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. Apply Now