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Penetration Tester

hackajob • Fort Meade, Maryland, United States

remotefull-time
Posted Jan 23, 2026Apply by Feb 22, 2026

Role & seniority: Penetration Tester (experienced, career- and customer-oriented)

Stack/tools: Penetration testing: nmap, Nessus, dsniff, libnet, netcat, network sniffers/fuzzers; Splunk (knowledge objects, robust queries/searches, reporting/charting); MS Office; general PC tools

Top 3 responsibilities

  • Identify and demonstrate vulnerabilities that adversaries could exploit in target systems

  • Lead information assurance evaluations: threat modeling, security analysis/testing, document results

  • Develop and recommend defensive measures to mitigate identified vulnerabilities and exploits

Must-have skills

  • BS in CS/EE/CE/Physics or related field

  • 10+ years of penetration testing experience

  • TS/SCI clearance with Poly

  • Splunk experience (1+ year) with knowledge objects, queries, reports, and charts

  • Hands-on experience with listed tools (nmap, Nessus, dsniff, libnet, netcat, sniffers/fuzzers)

Nice-to-haves

  • MS Office proficiency; strong presentation and communication skills

  • Leadership, multi-tasking, negotiation, organizational, project management abilities

  • Ability to plan, develop, and execute information assurance evaluation tests; formal documentation

  • Location & work type: Ft. Meade, MD area; on-site requirement with government/defense program context; security clearance contingent and not guaranteed

Note: Salary range approximately $138,700–$231,400, with factors affecting final compensation.

Full Description

hackajob is collaborating with MANTECH to connect them with exceptional tech professionals for this role.

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 an experienced and passionate, career and customer-oriented Penetration Tester to join our team located in the Ft. Meade, MD area. In this role, you be responsible for identifying network vulnerabilities in target systems and recommending defensive measures to defend against possible attack by an adversary.

Responsibilities Include, But Are Not Limited To

Identify and demonstrate vulnerabilities that may be used by an adversary to exploit components of or the entire target systems.

Lead the information assurance evaluation of target systems, including developing threat models, conducting security analysis and testing, demonstrating vulnerabilities and documenting the results.

Minimum Qualifications

Bachelor of Science degree in Computer Science, Electrical Engineering, Computer Engineering, Physics or similar technical field and 10 years of penetration testing experience.

One year of Splunk experience creating knowledge objects and robust queries/searches, along with creating reports and generating charts from the resulting queries/searches.

Experience using tools such as nmap, nessus, dsniff, libnet, netcat, and network sniffers and fuzzers.

Experience developing methods to defend against identified vulnerabilities and exploits.

Preferred Qualifications

Ability to use MS Office Ability to use PC

Leadership Skills Listening Skills

Multi-Tasking Ability Negotiation Skills Oral and Written Communication Skills Organizational Skills

Presentation Skills (using PowerPoint)

Project Management Ability and Skills

Experience creating knowledge objects and robust queries/searches, along with creating reports and generating charts from the resulting queries/searches using Splunk.

Ability to plan, develop and execute information assurance evaluation tests and document test results in a formal document.

Security Clearance Requirements

Must have a current/active TS/SCI w/ Poly

Physical Requirements

Must be able to be in a stationary position more than 50% of the time

Must be able to communicate, converse, and exchange information with peers and senior personnel

Constantly operates a computer and other office productivity machinery, such as a computer

The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations

The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

The projected compensation range for this position is $138,700.00-$231,400.00. 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 International Corporation 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.

multi-location

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