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Added 2 hours ago
Senior Product Marketing Manager
DomainTools
Remote, United States
The world's most advanced security teams rely on DomainTools to identify malicious infrastructure before it's used against them. We're not a company coasting on legacy. We're in an active…
Added 2 hours ago
Senior Product Marketing Manager
DomainTools
Remote, United States
The world's most advanced security teams rely on DomainTools to identify malicious infrastructure before it's used against them. We're not a company coasting on legacy. We're in an active…
Added 2 hours ago
Senior Product Marketing Manager
DomainTools
Remote, United States
The world's most advanced security teams rely on DomainTools to identify malicious infrastructure before it's used against them. We're not a company coasting on legacy. We're in an active…
Added 2 hours ago
Senior Product Marketing Manager
DomainTools
Remote, United States
The world's most advanced security teams rely on DomainTools to identify malicious infrastructure before it's used against them. We're not a company coasting on legacy. We're in an active…
Added 2 hours ago
Senior Product Marketing Manager
DomainTools
Remote, United States
The world's most advanced security teams rely on DomainTools to identify malicious infrastructure before it's used against them. We're not a company coasting on legacy. We're in an active…
Added 5 hours ago
Director, Federal Sales: Air Force and Space Force (Government)
AT&T
Columbia, MD
…portfolio strategy that connects air, space, base, enterprise IT, cyber, data, and modernization priorities with secure, resilient communications and technology…
Added 5 hours ago
Director, Federal Sales: Navy and Marine Corps (Government)
AT&T
Columbia, MD
…strategy that connects fleet, force, installation, enterprise IT, cyber, logistics, and modernization priorities with secure, resilient communications and technology…
Added 5 hours ago
Platform Tooling Engineer
GD Information Technology, Inc.
United States
We are seeking a Platform Tooling Engineer to join our team supporting Centers for Medicare & Medicaid Services (CMS) Agile Tools, Licensing and Shared Services (ATLAS) program. NOTE: This…
Added 5 hours ago
Graduate Development Program, Associate Technology Engineer, Technology Engineering
natgridProd
Marlboro, MA · Waltham, MA
Bachelor or Master’s degree Computer Science, Computer Networks, Cyber Security, Information Technology, Engineering, or a related field from an accredited institution
Added 5 hours ago
Graduate Development Program, Associate Analyst, Technology Security
natgridProd
Brooklyn, NY · Syracuse, NY · Waltham, MA
…energy infrastructure? As an Associate Analyst on the Technology Security team, you’ll support cybersecurity initiatives that help National Grid detect, understand, and respond to potential…
Added 6 hours ago
Sr Cyber Defense Sys Engineer
Constellation
Kennett Square, PA
Responsible for the maintenance and operation of the Cyber Security Operations Center (CSOC) and for providing targeted security advisory services. Tests, implements, deploys, maintains,…
Added 7 hours ago
Senior Software Engineer
BAE Systems
Endicott, NY
About BAE Systems, Inc.BAE Systems, Inc. is a defense, aerospace, and security company headquartered in Falls Church, Virginia, with more than 40,000 employees worldwide. We serve, supply,…
Added 8 hours ago
Senior Specialist, Environmental Health & Safety 1
L3Harris
Camden, NJ
…technology solutions connecting the space, air, land, sea and cyber domains in the interest of national…
Added 8 hours ago
Position, Navigation, and Timing (PNT) Engineer F-16 WAM (Top-Secret) - 197
Credence
Wright-Patterson Air Force Base, OH
Join a team where innovation meets mission. Our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and…
Added 8 hours ago
C
Senior DevSecOps Engineer
Credence
Remote, United States
- $150,000 to $180,000 USD / year
Join a team where innovation meets mission, our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and…
Added 8 hours ago
C
Test and Evaluation Engineer II - Data Analyst
Credence
Aberdeen Proving Ground, MD
- $110,000 to $150,000 USD / year
Join a team where innovation meets mission. Our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and…
Added 8 hours ago
C
Senior Applications Engineer
Credence
Remote, United States
- $150,000 to $180,000 USD / year
Join a team where innovation meets mission. Our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and…
Added 8 hours ago
Network Engineer SA 4.21
Credence
Wright-Patterson Air Force Base, OH
Join a team where innovation meets mission. Our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and…
Added 8 hours ago
C
Senior Google AI Engineer
Credence
Remote, United States
- $150,000 to $190,000 USD / year
Join a team where innovation meets mission. Our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and…
Added 8 hours ago
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Senior Software Engineer
Credence
Tysons, VA
- $170,000 to $200,000 USD / year
Join a team where innovation meets mission. Our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and…
Added 8 hours ago
C
Senior Software Engineer
Credence
Warner Robins, GA
- $170,000 to $200,000 USD / year
Join a team where innovation meets mission. Our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and…
Added 8 hours ago
C
Senior Software Engineer
Credence
Wright-Patterson Air Force Base, OH
- $170,000 to $200,000 USD / year
Join a team where innovation meets mission. Our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and…
Added 8 hours ago
C
Senior Software Engineer
Credence
Boston, MA
- $170,000 to $200,000 USD / year
Join a team where innovation meets mission. Our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and…
Added 8 hours ago
Cloud Platform Engineer
Credence
McLean, VA
Join a team where innovation meets mission, our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and…
Added 8 hours ago
C
AI Platform & DevSecOps Engineer
Credence
Remote, United States
- $150,000 to $190,000 USD / year
Join a team where innovation meets mission. Our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and…

MANTECH

Senior Cyber Security Engineer

Chantilly, VA, United States

The projected compensation range for this position is $114,600.00-$190,200.00.

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Job details

Pay: The projected compensation range for this position is $114,600.00-$190,200.00.
Posting language: English

Original job description

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 Senior Cyber Security Engineer to join our team in Chantilly, VA.

The Senior Cyber Security Engineer will leverage their strong technical background, PKI expertise, and identity management knowledge to support mission-critical cyber security solution delivery, testing, and system deployment across secure classified enterprise networks.

Responsibilities include but are not limited to:

Maintaining operations of identity and access management services including directory services, user access controls, identity lifecycle workflows, Public Key Infrastructure (PKI), and privileged access management.
Engineering, deploying, and maintaining Public Key Infrastructure (PKI) systems, digital certificates, cryptographic protocols, and multi-factor authentication (MFA) solutions.
Maintaining critical infrastructure across Linux and Windows server environments in virtualized, on-premises, and cloud architectures.
Performing routine and scheduled Linux and Windows operating system upgrades, security patches, baseline configurations, and system hardening.
Managing Continuous Monitoring (CONMON) activities, vulnerability mitigations, and compliance reporting to maintain enterprise Authority to Operate (ATO).
Providing structured status updates, technical documentation, and cross-functional coordination within an Agile and collaborative operational framework.

Minimum Qualifications:

Bachelor's degree or 4+ years of additional experience in lieu of a degree
5+ years of professional experience
Demonstrated hands-on experience supporting and maintaining Public Key Infrastructure (PKI), digital certificate lifecycle management, and authentication/authorization protocols.
Hands-on system administration experience working across enterprise Linux and Windows operating systems in classified or unclassified environments.
Working knowledge of directory services, LDAP/Active Directory administration, user account management, and database structures.
Demonstrated ability to develop and implement automation scripts or workflow tracking solutions to optimize operational processes and system maintenance.
Must have or be willing to obtain an IAT Level II certification within 3 months of hire.

Preferred Qualifications:

Familiarity with configuration of Information Security Corp. (ISC) PKI products (CertAgent and CCMS)
Direct experience implementing, maintaining, and troubleshooting enterprise PKI management tools and digital certificate services.
Familiarity with configuration management, automation playbooks, or scripting platforms such as Ansible or PowerShell.
Demonstrated experience collaborating within Agile, DevOps, or cross-functional technical teams.
Prior military or Department of Defense operational background supporting mission-critical IT infrastructure, network security, and compliance workflows.

Clearance Requirements:

An active TS/SCI with Polygraph is required.

Physical Requirements:

Must be able to remain in a stationary position 50% of the time.
Needs to occasionally move about inside the office to access file cabinets, office machinery, and technical equipment.
Frequently communicates with co-workers, management, and customers, which may involve delivering technical briefings and operational updates. Must be able to exchange accurate information in these situations.

The projected compensation range for this position is $114,600.00-$190,200.00. 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.

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