Penetration Tester 3

Posted 5 Days Ago
Be an Early Applicant
Linthicum, MD, USA
In-Office
190K-230K Annually
Senior level
Security • Cybersecurity
The Role
The Penetration Tester 3 will serve as a Subject Matter Expert in security control assessments, perform vulnerability and penetration testing, and research relevant technologies to enhance cybersecurity measures.
Summary Generated by Built In

Purpose and Impact:

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.  In this role you will support challenging, mission-critical projects that make a direct impact on the nation’s security and intelligence mission.

Essential 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 and methods

Other Responsibilities:

Safety - Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.

Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.

Procedure Compliance - Each employee must read, understand and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to his/her job.

Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status.

As part of our commitment to maintaining a safe and compliant work environment, Amentum is a drug-free workplace and requires all personnel to comply with company drug and alcohol policies as a condition of employment.  Employment is contingent upon successful completion of the drug screening process.  Please note that this may include pre-hire screening for marijuana, as well as other federally controlled substances due to Amentum’s role as a federal contractor and trusted partner to the US Government.  

Minimum Requirements (Knowledge, Skills, and Abilities)

Clearance Required:

  • TS/SCI Poly

Minimum Education:

  • A Bachelor’s degree in Computer Science, Information Technology Engineering, or related field.
  • In lieu of a Bachelor's degree, an additional four (4) years of experience for a total of twelve (12) years.

Minimum Years of Experience:

  • 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 may be substituted for a total of twelve (12) years of experience.

Required Certifications:

  • DoD 8570 compliance with IAT III is required. 

#javelin

       

Compensation Details:

$190,000 - $230,000

       

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.


Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

  • Health, dental, and vision insurance

  • Paid time off and holidays

  • Retirement benefits (including 401(k) matching)

  • Educational reimbursement

  • Parental leave

  • Employee stock purchase plan

  • Tax-saving options

  • Disability and life insurance

  • Pet insurance


Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

       

Original Posting:

04/03/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

       

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed,  marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.

Top Skills

Information Systems Security
Network Protocols
Operating Systems
Penetration Testing Tools
Risk Management Framework
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The Company
HQ: Germantown, MD
18,261 Employees

What We Do

Amentum is a premier global technical and engineering services partner supporting critical programs of national significance across defense, security, intelligence, energy, and environment. We draw from a century-old heritage of operational excellence, mission focus, and successful execution underpinned by a strong culture of safety and ethics. Headquartered in Germantown, Md., we employ more than 20,000 people in 48 states and 28 foreign countries and territories. Visit us at amentum.com to explore how we deliver excellence for our customers’ most vital missions.

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