Network Penetration Tester: Senior Associate

Apex Systems; Tampa (FL); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Health insurance

401K program

Employee stock purchase program (ESPP)

Job summary

Everforth Apex in Tampa, FL, is seeking a Senior Associate Network Penetration Tester to lead advanced security assessments across diverse systems. The role reports to the Offensive Cyber Operations Team Lead and requires hands-on expertise in testing, reporting, and threat emulation.

You will plan and execute tests, document findings per policy, and contribute to threat modeling and research. Travel up to 10% may be required; onsite work in Tampa is expected.

Qualifications

• At least five years of professional penetration testing experience.
• Experience with multiple security testing tools and methodologies.
• Knowledge of NIST 800-53 and NIST 800-115.

Responsibilities

• Conduct automated and manual security tests of information systems and analyze findings.
• Utilize threat modeling, threat simulation, and social engineering to assess risk.
• Develop test plans, execute tests, and prepare detailed after-action reports.

Skills

Penetration Testing

Networking

Threat Modeling

Unix/Windows

Open-source tools

Tools

Nessus

Burp Suite

AppDetective

Metasploit

NMAP

Job description

Job#: 3053639

Job Description: Network Penetration Tester: Senior Associate

Location: Tampa, Florida (Onsite)

Alternate Location: Dallas, Jersey

Role Overview

Reporting to the Offensive Cyber Operations Team Lead, you will be responsible for conducting advanced security assessments, including automated and manual testing, across a wide range of technologies and systems. As a senior technical assessor, you will participate in the planning, execution, and reporting of complex security tests designed to emulate real-world adversaries. You will be a key member of the Offensive Cyber Operations (OCO) team and are expected to contribute to threat modeling, emergent technology research, and a high-tempo testing schedule.

Key Responsibilities

• Conduct automated and manual security tests of information systems, including analysis of vulnerability scan results, compliance findings, and penetration test data.
• Utilize advanced techniques such as threat modeling, threat simulation, and social engineering to assess system risk.
• Research and understand a wide variety of existing and emerging technologies relevant to assessment activities.
• Develop test plans, create operational schedules, execute tests, and prepare detailed after-action reports.
• Document all activities in accordance with Information Security Policies and Offensive Cyber Operations team standard operating procedures.
• Participate in year-round testing cycles based on criticality, threat modeling, and new points of vulnerability (NPOV).
• Collaborate with teammates to support large, complex, and multi-assessor security projects.
• Maintain a professional bearing and represent the team effectively when interacting with system owners and business stakeholders.

Required Qualifications

Experience: At least five (5) years of professional-level experience in one or more technical disciplines, including Penetration Testing, Networking, Firewalls, Server Administration, Encryption, Cloud, Containers, Databases, or Software Development.

Technical Skills: Possess hands-on, expert-level technical proficiency in at least one critical skill area. Demonstrate advanced understanding of adversarial tactics, techniques, and procedures (TTPs). Be proficient with multiple open-source and commercial security tools (e.g., Nessus, Burp Suite, AppDetective, Metasploit, NMAP). Have strong proficiency working with both UNIX-based and Microsoft operating systems, with deep systems engineering experience in at least one of them. Understand security guidelines such as NIST 800-53 and NIST 800-115.

Preferred Qualifications

• Hold (or be working toward) multiple professional or associate-level certifications, such as CISSP, GCIH, MCSE, CCNP, RHCE, GPEN, GWAPT, OSCP, MPCE, or CEH.
• Ability to synthesize and analyze large volumes of data from complex systems.
• Demonstrate the ability to clearly articulate technical findings to both technical and non-technical audiences.
• Exhibit strong critical-thinking ability and creativity in designing and executing test approaches.

Travel Requirements

Travel may be required up to 10% to support global testing activities.

About Everforth Apex

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

Benefits Overview

Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach.

Equal Opportunity Employment Statement

Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.

ADA Accommodations

If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.

Transparency in Coverage

UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.

Company Contact

© 2026 Everforth, Inc. All rights reserved.

Everforth Apex Systems is part of the Commercial Segment of Everforth, Inc.

NYSE: EFOR

4400 Cox Road

Suite 200

Glen Allen, Virginia 23060

Everforth Apex is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex.