Security Engineer

Leidos is seeking a Security Engineer to support the execution of strategic, operational, and organizational PPSM objectives. This position can be based out of any of our three locations - Alexandria, VA, Fort Meade, MD, or Chambersburg, PA. The position is primarily on-site, but partial telework may be available at the discretion of our customer and program management.

Responsibilities:

• Ensure compliance with DoD-approved standards, architectures, and guidelines (e.g., DISN) and conduct quality assurance of all VA, IA security engineering analysis, QA, systems and application security implementation strategies and measures for cybersecurity and RMF
• Analyze current and emerging net-centric requirements and track the PPSM portfolio’s readiness to meet these requirements
• Identify and implement automation opportunities across PPSM processes
• Manage the PPSM Registry Database User Accounts, PPSM Registry database system data entry, and data export to unique data formats to externals database administrators.
• Respond to inquiries and registration requests for ports, protocols, and services 
• Provide timely, regular performance metrics to the Government and support a variety of presentations, briefings and reports
• Develop technical papers on PPSM and cybersecurity-related topics 
• Support communication of deliverables with PPSM leadership and stakeholders (e.g., RE41) 

Requirements:

• Bachelor's degree (IT-related field preferred) and five (5) years of experience in cybersecurity or network security position. Additional relevant experience may be considered in lieu of degree.
• Active DoD Top Secret clearance with SCI eligibility required
• DoD 8570 IAM II or IAT II certification
• Proficiency in PPSM Registry management, eMASS, and DISA DMZ Whitelist processes 
• Demonstrable experience with network security, ports/protocols, firewalls, and boundary protection 
• Experience in vulnerability management and assessment 
• Understanding of network architectures, LAN/WAN, TCP/IP, routing, and switching 
• Strong understanding of NIST 800-53, 8551.01, DISA security policies, and compliance monitoring 
• Excellent written and verbal communication for technical documentation and stakeholder engagement

Original Posting:

July 8, 2025

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 $67,600.00 - $122,200.00

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.