Job Description

Leidos' Digital Modernization Sector is seeking aJunior PKI Network Engineer to support staffing for theMarine Corps Cyber Operations Group (MCCOG) Public Key Infrastructure (PKI) contract This position supports senior personnel in providing technicalexpertisefor concept exploration, functional and technical requirements development, implementation, and enhancement ofDoD PKI andUnited States Marine Corps (USMC) capabilities, and will work out of Quantico in VA (100% onsite). We expect the position to become available in May 2026.

Responsibilities include:

• Assistinmaintaininga technically resilient certificate issuance and revocation status-checking infrastructure for all MCEN networks in support of HSPD-12 requirements

• Assistin ensuring Marine Corps PKI implementation requirements areidentifiedand incorporated into the development, implementation, and support of future DoD PKI architecture

• Assistin providing Marine Corps PKI support for assessments of USMC impacts associated with DoD PKI PMO development and implementation activities, including use of DoD PKI with mobile devices and DoD-provided non-person entity issuance capabilities

• Assistin providing Marine Corps PKI support for issues related to certificates, tokens, token issuance, and infrastructure services

• Assistin assessing the impact of planned changes to registration software and hardware on USMC users

• Assistin performing user account management and PKI system backupsin accordance withlocal command disaster recovery policies

• Assistin troubleshooting and resolving PKI workstation system errors, printer issues, bulk formatter issues, and basic network connectivity issues

• Assistin supporting the SIPRNET Token Management System (TMS) and supporting the Department of the Navy (DoN) PKI to help protect Class 3 DoD certificates and networks

• Support other tasks as assigned by senior Network Operations contractor personnel

Basic Qualifications:

• IAT II certification (ie Security+ or equivalent/higher)

• High School diploma or GED and 1+ year of experience in a related technical field. An Associate's or Bachelor's degree in a related discipline may be considered in lieu of professional experience.

• Active DoD Secret clearance

• Ability to obtain a favorable adjudication on a T5 investigation

• Experience using networked computer-based systems and the Microsoft Windows operating system

• Experience in PKI operations and maintenance

• Ability to work independently anddemonstrateanalytical problem-solving skills

• Professional written and verbal communication skills

• Strong interpersonal skills

• Ability to work in a fast-paced environment and manage multiple priorities

• Willingness to work a flexible schedule

• Ability to stand, walk, sit, use hands, reach, climb stairs, balance, stoop, kneel, crouch, or crawl asrequired

• Ability to occasionally lift and/or move up to 25 pounds

#mccog

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Original Posting:

April 9, 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 $40,300.00 - $72,850.00

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.