Security Engineer / IT Help Desk Technician

Leidos is seeking a junior-level Security Engineer and IT Help Desk Technician to support the National Digital Exploitation & OSINT Center (NDOC). This role will be responsible for analyzing and assessing computer/network architecture security requirements and determine optimum, cost-effective solutions. The individual will work effectively with cross-functional teams to define technical requirements and identify and resolve technical design issues. This role will collaborate with client, server and other internal/external teams to identify support and technology advancements to meet current and future security requirements.

This is a 100% on-site position. All work must be performed at the customer site in Bethesda at the Intelligence Community Campus.

• Apply system security engineering expertise in one or more of the following: system security design process; engineering life cycle; information domain; cross domain solutions; commercial off-the-shelf and government off-the-shelf cryptography; identification; authentication; and authorization; system integration; risk management; intrusion detection; contingency planning; incident handling; configuration control; change management; auditing; certification and accreditation process; principles of IA (confidentiality, integrity, non-repudiation, availability, and access control); and security testing
• Work closely with other systems architects and project managers to develop, plan and implement system enhancements and upgrades to meet security requirements based on STIG and NIST 800.53.
• Provide technical support, troubleshooting and complex problem resolution on escalated issues related to security enhancements implemented within the infrastructure.
• Ensure that security requirements and objectives are identified, implemented, automatically monitored, automatically reported in compliance with NMEC2 RMF and other security directives as detailed by the NMEC2 ISSM.
• Ensure all applicable security requirements are met in accordance with existing and evolving IA reference security documents.
• Provide written input to the ISSMs when a security relevant change is required for existing systems or contractors.
• Assist the ISSMs in performing systems security requirements analysis where needed in preparation for security compliance and relay findings through the ISSMs that may impact design, operations and/or performance to the relevant engineering or operations groups.
• At Government direction, assist ISSMs to enhance and deploy security services architecture.
• As directed by the Government, participate in customer Technical Exchange Meetings (TEMs) to gather requirements, and participate in Security TEMs in relation to systems security and system accreditation as required.
• Maintain currency on system security documentation (body of evidence) for all accreditation documentation in accordance with all specified National Institute of Standards and Technology (NIST) 800-53 controls for all project and service activities in support of ATO.
• Collaborate on IA activities with NMEC2, the ISSMS, and the appropriate Cyber Security Program Offices to ensure incorporation of NMEC2 RMF strategic goals and objectives.
• Work with ISSMs to support the ATO within the NMEC and with NMEC IT customers to:
• Verify that security measures are taken, maintained, reported on and updated as required
• Provide input to IA (via assigned ISSM(s)) assisting ISSM(s) to edit JAVA and POA&M documentation when expected measures have not been implemented
• Meet mission objectives in accordance with applicable security policies and directives.
• Collaborate with NMEC2 ISSM and Operations & Maintenance to ensure that all systems are compliant with ICD-503 and other security directives as designated by the NMEC2 ISSM to include:
• Design/enhancement of firewalls and controlled interface security architectures (based on requirements provided by NMEC2 ISSM and appropriate security organization(s))
• Identify, implement, automated management, automated monitoring, and automated reporting of detailed ongoing security hardening, patching, and virus-checking
• Implement procedural protective measures, fully automating repeatable processes and reporting to maintain systems compliance toward ATO
• Provide first point of contact for all customer queries and incidents via walkup, phone, email, or chat.
• Manage and administer accounts to include account creation, password resets, troubleshooting, and termination/deletion.
• Document and track customer requests and incident in the customer’s approved IT Service Management (ITSM) solution.
• Properly document initial troubleshooting and triage steps and escalate to Tier 2/3 support teams when appropriate to resolve more complex customer issues.
• Provide telephone support to customers in a professional, knowledgeable manner to maintain excellent customer relationships.
• Ensure all tickets are logged and assigned to the correct team.
• Proactively monitor Incidents for trends and potential Problem Records and highlight these to the Service Desk Manager.
• Update Service Desk documentation for new processes and procedures to share best practices, capture changes in the environment, and streamline initial response to common issues to reduce duplication of effort.
• Produce both customer-facing and internal knowledge base documentation as required.
• Actively participate in Continual Service Improvement Activities to share their experience and knowledge and support service enhancement.

Clearance

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:

October 8, 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 $57,850.00 - $104,575.00

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.