Job Description

Leidos Digital Modernization Sector is seeking a Junior PKI Network Engineer to support staffing for the Marine Corps Cyber Operations Group (MCCOG) Public Key Infrastructure (PKI) contract . This position supports senior personnel in providing technical expertise for concept exploration functional and technical requirements development implementation and enhancement of DoD PKI and United 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:

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

• Assist in ensuring Marine Corps PKI implementation requirements are identified and incorporated into the development implementation and support of future DoD PKI architecture

• Assist in 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

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

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

• Assist in performing user account management and PKI system backups in accordance with local command disaster recovery policies

• Assist in troubleshooting and resolving PKI workstation system errors printer issues bulk formatter issues and basic network connectivity issues

• Assist in 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 Associates or Bachelors 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 and demonstrate analytical 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 as

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

#mccog

If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.

Original Posting:

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:

The Leidos pay range for this job level is a general guideline onlyand 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.

Required Experience:

Junior IC

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