To our valued Leidos candidates:

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Job #: R-00027799
Location: Reston, VA
Category: Security Architecture and Engineering
Schedule (FT/PT): Full Time
Travel Required: Yes, 10% of the time
Shift: Day
Potential for Telework: Yes
Clearance: Public Trust
Referral Eligibility: Ineligible
Group: Health

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Job Description:

Leidos is seeking a Sr. Enterprise Security Architect. The candidate shall be specialized in technical cybersecurity and privacy.

This role will support the Department of Veteran Affairs IT modernization strategy and initiatives. This includes merging of Electronic Health Records (EHR), cloud computing, Application Programming Interfaces (APIs), specialized networks (i.e., software and security perimeter and defined networks) Internet of Things (IoT), analytic ecosystems, and medical devices.

The chosen candidate will assume a key leadership role in Leidos’ commitment to provide agency-wide technical support services for the Department of Veteran Affairs. The position interacts with senior VA leaders and personnel who operate in technical domain areas. These areas include; enterprise architecture, emerging technologies, networks, mobile, healthcare technology and medical devices, cybersecurity, IT Modernization, and large scale architectures. The Sr. Enterprise Security Architect will act as trusted advisor to the VA resolving issues and creating architectural vision, coordinating with program and project leaders to analyze IT system and network architectures, clearly identify strategies for addressing requirements, risks, and issues and conduct trade-off analyses of requirements against fiscal, schedule, and performance issues.

Duties will include:

  • Support the evolution of the VA security architecture,  including developing the CONOPS, metrics of effectiveness, cybersecurity data governance and management, helping draft VA cyber security directives, standards, design patterns and implementing guidelines as well as providing security support to various VA systems and initiatives
  • Determine security requirements and approaches by evaluating business strategies and requirements; researching information security standards; conducting system security and vulnerability analyses and risk assessments; studying architecture/platform; identifying integration issues; when needed preparing cost estimates.
  • Guides and mentors other technical staff.
  • The Enterprise Security Architect, Senior, will periodically also perform duties corresponding to a cybersecurity solutions architect supporting Leidos Military and Veterans Health (MVH) division in the Leidos Health Group.
  • Creation of white papers, proposals, and briefings to VA personnel, including senior leadership
  • Coordinate boards and other technical working groups.

Basic Qualifications

  • Master’s Degree and 15+ years of overall experience in cybersecurity and privacy risk management with Federal Information Technology systems and security requirements. 12 years of additional relevant experience may be substituted for education. 
  • Demonstrated expertise in IT, cybersecurity and cyber security tools, privacy; network topologies, intrusion detection, PKI, secure networks, communications; enterprise level and systems architecture; information systems security engineering, software development, and systems integration; along with the ability to apply this expertise across a broad portfolio of IT systems, software, and infrastructure solutions.
  • Currently possess or be able to obtain a VA Tier 2/Moderate Risk/Tier 4 High Risk BI Public Trust clearance as needed.

Preferred Qualifications

  • Experience creating and evaluating documents such as system design, system security plans, plans of actions and milestones, data flow diagrams, network designs, and other security/IT related engineering products.
  • Currently possess security (CASP, CISSP, CISM, CISA, GCED, CEH, or GCIH), privacy (Certified Information Privacy Professional) and/or technical certifications, (CISCO, Microsoft, AWS Professionals, SAFe,SANS, strongly preferred. Activities such as teaching cybersecurity at accredited institutions of learning, publications, or participation in industry groups and associations and presentations or speaking at conferences can provide alternative evidence of cybersecurity leadership skills. 
  • Solid understanding of DoD 8510.01, NIST SP 800-53, NIST SP800-37, the Risk Management Framework, and CNSSI 1253. Familiarity of VA Handbook 6500-series publications.
  • Prior VA or DoD experience with cybersecurity policy, guidance, and architectures.

External Referral Bonus:


Potential for Telework:


Clearance Level Required:

Public Trust


Yes, 10% of the time

Scheduled Weekly Hours:




Requisition Category:


Job Family:

Security Architecture and Engineering

About Leidos

Leidos is a Fortune 500® information technology, engineering, and science solutions and services leader working to solve the world's toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company's 33,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $10.19 billion for the fiscal year ended December 28, 2018. 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 here.

Securing Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [email protected].

Commitment to Diversity

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.

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