Lead Security Engineer with TS/SCI Poly

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Description

Lead Security Engineer

Leidos has a new and exciting opportunity for a Lead Security Engineer in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is the forefront in Security Engineering, Computer Network Operions (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company mch and immedie vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Educion and Training Support, Parental Paid Leave, and much more. Join us and make a difference in Nional Security!  

Job Summary

Leidos is seeking a Lead Security Engineer to support a mission-critical program, offering a challenging and rewarding opportunity for a hands-on technical leader in the security domain. The selected individual will lead all security engineering efforts for a large, complex network environment with geographically distributed systems; and will manage a team of Informion Systems Security Officers (ISSOs) and Informion Systems Security Engineers (ISSEs), providing technical leadership and direction to meet program requirements. The selected individual will mentor the team in sound informion systems security engineering practices and will be heavily involved in system testing. The selected candide will work closely with other engineers and technical experts to enhance operional, test, integrion, and development environments. Responsibilities include ensuring and maintaining Authorizions to Opere (ATOs) for all System Security Plans (SSPs), and ensuring compliance with Secure the Enterprise/Secure the Network (STE/STN) requirements.

Primary Responsibilities

• Responsible for the overall security architecture, ensuring all security requirements are defined, implemented, and verified.

• Serve as a security subject mter expert (SME), providing guidance and oversight for the end-to-end security architecture.

• Engage with multiple system owners across multiple networks to interpret, negotie, and refine system and security requirements.

• Define and drive security stregy, including risk assessment and management, security control assessment, continuous monitoring, service design, and broader cybersecurity program support.

• Identify and analyze security issues across complex, highly integred systems and environments, and develop clear, actionable remediion recommendions.

• Design, develop, and execute stic and dynamic applicion security testing, as well as penetrion testing activities.

• Partner with development teams to improve understanding of vulnerabilities, tack vectors, and effective remediion techniques.

• Lead and mentor a team of program security engineers in day-to-day security engineering activities.

• Collabore with the program security team to ensure STE/STN and continuous monitoring requirements are met for Test, Integrion, and Development environments.

• Clearly articule program security requirements, risks, and compliance challenges to multiple customer points of contact.

• Coordine with internal cross-functional teams to plan, prioritize, and execute remediion and other security-reled activities.

Required Qualificions

• Master’s degree in Informion Technology, Informion Assurance, or reled field, and least 15 years of relevant experience. Additional experience may be substituted for a degree.

• At least 10 years of experience leading large, diverse Security Engineering teams, leading ISSO and ISSE teams.

• Current active CISSP certificion.

• Certified Scrum Master certificion.

• At least 5 years of experience applying Agile methodologies in security engineering projects, including Scrum or SAFe frameworks.

• Extensive hands-on experience with modern security tools; hardware and software security implemention; communicion protocols; encryption technologies; and web services.

• Expert-level understanding of security vulnerabilities and remediion techniques, including risk assessment, risk management, and security stregy/design.

• Extensive experience formuling, implementing, and assessing IT security policy.

• Solid understanding of ATOs, SSPs, and STE/STN requirements.

• Direct experience collaboring with software developers, software testers, and integrion, deployment, and sustainment teams.

• Strong communicion and interpersonal skills, with a proven ability to clearly convey program requirements and system compliance challenges to multiple customer stakeholders.

• Demonstred ability to coordine across multiple internal teams for planning and remediion activities.

• Solutions-oriented team player with a high level of self-initiive.

• Clearance Required: Must have TS/SCI with Polygraph.

Preferred Qualificions

• Additional certificion: Informion System Security Engineering Professional (ISSEP)

• At least twelve years of experience with defense-in-depth principals/technology (including access control, authorizion, identificion and authenticion, public key infrastructure, network and enterprise security architecture) and applying risk assessment methodology to system development.

• Experience developing/implementing integred security services management processes, such as assessing and auditing network penetrion tests, anti-virus planning assistance, risk analysis, and incident response.

• Experience developing/implementing integred security services management processes, such as assessing and auditing network penetrion tests, anti-virus planning assistance, risk analysis, and incident response.

• Experience providing informion assurance support for applicion development th includes system security certificions and project evaluions for firewalls th encompass the development, design, and implemention.

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments th allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today.

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CONMD

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:

Pay Range:

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.

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