waypointjobs

MANTECH

Senior Principal Cyber Security Engineer

chantilly, VA

Check who can apply and the requirements below before continuing.

This job is closed

Applications are no longer available for this announcement. Explore current related opportunities below.

Job description

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

In this role, you will support mission-critical cybersecurity operations by designing, deploying, and maintaining secure, resilient data collection and monitoring solutions that enable informed decision-making across the enterprise.

Responsibilities include but are not limited to:

Troubleshoot new and existing data collection issues to ensure accurate and reliable ingestion of security-relevant data.

Diagnose and resolve system issues that impact stability, performance, or usability.

Deploy, manage, and maintain supported and unsupported Splunk Add-ons required for specific data sources.

Develop and maintain documentation, including Body of Evidence (BOE) artifacts, engineering documentation, change management records, system security plans, and accreditation materials, as required.

Deliver a comprehensive Splunk deployment document detailing specifications, deployment methods, and architectural considerations for production environments.

Implement and maintain strict role-based access control to ensure data is accessible on a validated need-to-know basis.

Design and deploy Splunk forwarders using centralized configuration management through the Splunk Deployment Server to support rapid and consistent deployments.

Minimum Qualifications:

Bachelor’s degree, or 4+ additional years of cyber experience in lieu of a degree.

10+ years of experience in a cybersecurity role.

Experience with Security Information and Event Management (SIEM) platforms and/or Splunk.

Knowledge of Linux systems administration, general operating system security practices, TCP/IP networking, and network security concepts.

Knowledge of Certification and Accreditation (C&A) processes.

Knowledge of DoD policy and technical security guidance for information systems.

DoD Directive 8570.1 IAT Level II or higher certification, or the ability to obtain within six (6) months.

Preferred Qualifications:

Experience with Linux distributions, including Red Hat and CentOS.

Experience with AWS or other cloud environments.

Knowledge of ICS 500-27 audit collection requirements.

Familiarity with Enterprise Security Services, Host Based Security Services, Enterprise Vulnerability Scanning Services, and User Activity Monitoring (UAM).

Ability to modify feed creation to ingest customer logs in standardized formats to meet policy and compliance requirements.

Splunk certification

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.

Occasionally moves about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers via email, phone, or virtual communication, which may involve delivering presentations.

Worksite address

chantilly, VA, 20151, US

Who can apply

Review the original listing for work authorization, qualifications and employer requirements.

Explore related searches

Current related jobs

Elevance Health

WhatJobs

Principal Engineer - FDE

mason, OH

Salary not specified

Principal Engineer - FDE Hybrid: This role requires associates to be in-office 3 days per week, fostering collaboration and connectivity, w…

Last received from source 2026-10-06View job

Everpure, Inc.

WhatJobs

Principal Hardware Engineer

santa clara, CA

See pay details in description

Everpure (NYSE: P) has evolved from storage pioneer to data platform, closing fiscal 2026 with $3.7 billion in revenue, its first billion-dollar …

Last received from source 2026-10-06View job

Constellation Energy

WhatJobs

Engineer, Mechanical

baldwinsville, NY

See pay details in description

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constell…

Last received from source 2026-10-06View job

Constellation Energy

WhatJobs

Engineer, Mechanical

oswego, NY

See pay details in description

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constell…

Last received from source 2026-10-06View job

Constellation Energy

WhatJobs

Engineer, Electrical

wilmington, IL

See pay details in description

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constell…

Last received from source 2026-10-06View job

Constellation Energy

WhatJobs

Engineer, Electrical

odell, IL

See pay details in description

Who We Are As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constell…

Last received from source 2026-10-06View job