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# Principal Cyber Security Engineer

- **Company:** Mantech International Corporation
- **Location:** Chantilly, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Agile Methodology, Cyber Security, Databases, Linux, Multi-Factor Authentication, Identity and Access Management, Lightweight Directory Access Protocols (LDAP), Public Key Infrastructure, Ansible, Virtualization Technology, Information Technology
- **Published:** September 5, 2026
- **Apply:** https://www.careerboard.com/us/en/find-jobs-in-United-States/-BEE0EFCDB6324A6205/

## About the Role

MANTECH seeks a motivated, career and customer-oriented Principal Cyber Security Engineer to join our team in Chantilly, VA.

Principal Cyber Security engineers are responsible for the quality of cyber security related solution delivery, development, testing and deployment in support of cyber security efforts. They are involved in creating quality cyber solution components based on the provided requirements. The successful candidate must possess the ability to work in a team environment as well as independently., * Bachelor's degree or 4+ years of additional IT experience in lieu of degree.

 * 7+ years of working experience in the IT field.
 * Experience working in LINUX and Windows environments.
 * Knowledge of LDAP directory and managing databases.
 * Ability to create scripts to assist with automation efforts., * Experience with PAM tools implementation and maintenance.
 * Experience with authorization and authentication technologies and Identity and Access Management principals.
 * Experience with Ansible, writing automation playbooks, and working in a Dev/Ops environment.
 * Experience with PKI principals and working in an Agile environment.

Clearance Requirements:

 * Must have a current/active TS/SCI w/Polygraph.

Physical Requirements:

 * The person in this position must be able to remain in a stationary position 50% of the time.
 * Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

## Description

* Maintaining operations of identity and access management services including directory, access, identity, and privileged access management services.
 * Maintaining infrastructure in cloud or virtualized environments.
 * Performing Linux and Windows based system upgrades and patches.
 * Engineering and deployment of a privileged access management (PAM) solution.
 * Engineering and deployment of a Multi Factor Authentication (MFA) solution.
 * Managing Continuous Monitoring (CONMON) activities and maintaining Authority to Operate (ATO).
 * Providing status reports in an Agile environment and periodically providing after-hour support.


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