Principal Cyber Security Engineer

General information

Requisition #

R69459

Locations

USA-VA-Chantilly

Posting Date

07/24/2026

Security Clearance Required

TS/SCI w/ Poly

Remote Type

Onsite

Time Type

Full time

Description & Requirements

Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH!

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.

Responsibilities include but are not limited to:

• 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.

Minimum Qualifications:

• 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.

Preferred Qualifications:

• 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.

The projected compensation range for this position is $141,500.00-$236,000.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.