Cybersecurity Specialist - Senior

R-00175298

Description

Join Leidos and Shape the Future of Cybersecurity Innovation

Leidos, a FORTUNE 500 company, is a global leader in delivering innovative technology solutions to customers in national security, engineering, and health industries. At Leidos, we are driven by a commitment to excellence, empowering our teams, contributing to our communities, and operating sustainably. Guided by our Mission, Vision, and Values, we are dedicated to doing the right thing for our customers, our people, and the world.

The Leidos Digital Modernization Sector is seeking a qualified and trained Cybersecurity Specialist - Senior for a role in an engineering support services program for U.S. Army customers at Aberdeen Proving Grounds, MD. The Cybersecurity Specialist, Sr. is responsible for the integration of security architecture & engineering forts into the information technology life-cycle to bring about the successful completion of the CYBERTRON program goals and objectives.

The CYBERTRON program delivers highly skilled engineering services to the U.S. Army C5ISR Center in their mission of cybersecurity research and development and cryptographic modernization.

Why Join Us?

• Impactful Work: Be part of a team that develops secure, modern technology solutions to protect national security and defeat cyber threats.
  
• Collaborative Environment: Work alongside talented professionals in a dynamic and innovative setting.
  
• Professional Growth: Leverage your expertise while advancing your career through challenging and rewarding projects
  

Your Role and Responsibilities As a Cyber Security Specialist Senior

• Experience in heterogeneous computer networking technology and work in protocol and/or interface standards specification is preferred. Analyzes and resolves INFOSEC technical problems.
  
• Configures testbeds and conducts testing, records and analyzes results, and provides recommendations for improvements for the products/systems under test.
  
• Areas of focus include Guard, Firewall, Secure Network Server, format security solutions, "Smart Cards", and emerging technologies and future trends.
  
• Supports the integration of INFOSEC solutions and technologies into networks with particular attention to protocols, interfaces, and system design.
  
• General experience includes system engineering; electrical design, software engineering; program design and implementation; configuration management; or maintenance.
  
• Must have knowledge of TCP/IP, information security/authorization profiles, or security administration of Unix or NT network/systems.
  
• Must have knowledge of Government security policies and familiarity with security-related technologies and auditing tools.
  
• Must be capable of providing security engineering analysis on a variety of information systems.
  
• Must be capable of developing security accreditation/certification documentation, and creating and maintaining security policy and procedures.
  
• Must be capable of performing security certification engineering analysis, vulnerability assessments, and risk assessments.
  
• Must be capable of designing and configuring security tools.
  
• Must be capable of developing test procedures, establishing test environments, executing security certification test/demonstrations/evaluations, documenting results, and developing reports, conclusions, and recommendations.
  
• Must be capable of conceptualizing and implementing security systems and architectures.
  

Basic Qualifications

• Must be a US Citizen and possess a Secret Clearance
  
• Bachelor’s degree in computer science, electronics engineering or other engineering or technical discipline with up to 10+ years of relevant experience.
  
• Appropriate DoD 8750 certification (Security+ or higher).
  
• Requires expert knowledge of and ability to apply advanced technical principles, theories, and concepts
  

Preferred Qualifications:

• Eligible for TS / SCI
  
• Experience supporting Army programs
  

Clearance Required:

• Must possess an active DoD Secret clearance at time of consideration
  

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: February 5, 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 www.Leidos.com .

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 www.leidos.com/careers/pay-benefits .

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). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at 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-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.