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Penetration Tester 3 with Poly

Columbia, MD; Columbia; Maryland; MD; Columbia, Maryland; United States
Full Time On-site

Summary

Job Description

Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. We are seeking a Penetration Tester 3 to join our team of passionate individuals on our Prime contract based out of Columbia, Maryland. In this role you will support challenging, mission-critical projects that make a direct impact on the nation’s security and intelligence mission.

Responsibilities:

  • Serve as a Subject Matter Expert providing testing expertise of the Risk Management Framework.
  • Direct and/or participate in the testing phase of security controls assessments using specialized knowledge of network protocols, operating systems, architectures, equipment, services, and standards.
  • Perform vulnerability and penetration testing using a wide variety of tools
  • Research and evaluate emerging technologies relevant to information systems security; interpret agency specific and federal security regulations
  • Perform both network and application-level testing using established testing protocols andMethods
  • Perform vulnerability and penetration testing using a wide variety of tools
  • Research and evaluate emerging technologies relevant to information systems security; interpret agency specific and federal security regulations
  • Perform both network and application-level testing using established testing protocols and methods

Here’s What You’ll Need:

  • Eight (8) experience of related work experience as a Penetration Tester performing both network and application-level testing using established test protocols and methods.
  • A Bachelor’s degree in Computer Science or a related field (e.g. General Engineering, Computer Engineering, Electrical Engineering, Systems Engineering, Mathematics, Computer Forensics, Cybersecurity, Information Technology, Information Assurance, Information Security, and Information Systems).
  • In lieu of a Bachelor’s degree, four (4) additional years of Penetration Testing experience maybe substituted for a total of twelve (12) years of experience.
  • US Citizen with an active TS/SCI and polygraph.

#javelin

Pay Transparency Verbiage

Amentum’s health and welfare benefits are designed to invest in you and in the things you care about. Your health. Your well-being. Your security. Your future. Eligible employees and their dependents may elect medical, dental, vision, and basic life insurance. Employees are able to enroll in our company’s 401k plan, and, if eligible, a deferred compensation plan and Executive Deferral Plan. Employees will also receive 17 days of vacation per year, seven paid holidays, plus floating holidays and caregiver leave. Hired applicants will be able to purchase company stock and have the opportunity to receive a performance discretionary bonus.

The base salary range for this position is $190K to $230K. This range reflects the minimum and maximum target for new hire salaries for the position across all US locations. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training.

About Amentum

Amentum

Amentum is one of the largest government services and engineering companies supporting the U.S. military, intelligence community, and federal agencies. Headquartered in Virginia with more than 50,000 employees worldwide, Amentum delivers mission-critical support across defense, cybersecurity, engineering, logistics, intelligence, aviation, nuclear, and space operations. The company plays a major role in helping government agencies solve complex national security and infrastructure challenges.

For job seekers, Amentum offers a wide variety of career opportunities across engineering, cybersecurity, intelligence, logistics, IT, aviation maintenance, program management, and cleared government support roles. The company is especially attractive to veterans, transitioning military personnel, and security-cleared professionals looking to continue supporting national security missions while building long-term career stability. Amentum also has a strong reputation for career mobility, education support, and mission-focused work across hundreds of federal programs.

Unlike many companies focused on a single niche, Amentum supports a broad range of high-impact missions—from military readiness and intelligence operations to NASA programs, cyber modernization, and critical infrastructure support. Employees often work on programs that directly support the Department of Defense, intelligence agencies, and federal civilian missions, creating opportunities to build diverse experience while contributing to meaningful national security outcomes.

As government investment continues to grow in cyber, space, engineering, and mission modernization, Amentum remains one of the strongest employers in the government contracting sector. For professionals seeking a stable, mission-driven career with opportunities for advancement, technical growth, and meaningful impact, Amentum continues to stand out as a top employer in defense and federal services.

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