Demo

Security Engineer (Senior)

TM3 Solutions, Inc.
Philadelphia, PA Full Time
POSTED ON 3/5/2026 CLOSED ON 6/5/2026

What are the responsibilities and job description for the Security Engineer (Senior) position at TM3 Solutions, Inc.?

Overview of Role: 

The Security Engineer (Senior) leads cybersecurity engineering efforts for Department of Defense network modernization programs, covering Risk Management Framework/Authority to Operate (RMF/ATO) package development, vulnerability management, and security architecture design. Key responsibilities include developing and maintaining ATO packages, overseeing vulnerability scanning and remediation, implementing and validating STIG compliance, designing integration of Zero Trust Architecture, and integrating cybersecurity systems and tools. The role also guides Post-Quantum Cryptography, supports TEMPEST compliance for facilities, leads security testing, and serves as the main cybersecurity interface with government security personnel throughout the ATO lifecycle. 

Roles and Responsibilities: 

Leads cybersecurity engineering efforts for DoD network modernization programs, including Risk Management Framework/Authority to Operate package development, vulnerability management, and security architecture design. Develops and maintains ATO packages for NIPRNet and SIPRNet environments; oversees ACAS vulnerability scanning and remediation activities; implements and validates STIG compliance across all network equipment; designs Zero Trust Architecture integration into network infrastructure; integrates cybersecurity systems and tools; provides Post-Quantum Cryptography design guidance; supports TEMPEST compliance for facility design; leads security testing in the integrated test environment; and serves as the primary cybersecurity interface with government security personnel throughout the ATO lifecycle. 

Educational and Certification Requirement:  

Over 10 years’ experience and a M.A./MS degree.  

CISSP required; CEH, CASP preferred; RMF/ATO, ACAS, STIG, Zero Trust architecture experience 

Must have an Active Secret Clearance

Salary.com Estimation for Security Engineer (Senior) in Philadelphia, PA
$119,640 to $142,910
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Security Engineer (Senior)?

Sign up to receive alerts about other jobs on the Security Engineer (Senior) career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$112,673 - $137,290
Income Estimation: 
$139,945 - $168,577
Income Estimation: 
$140,233 - $181,029
Income Estimation: 
$161,209 - $233,553
Income Estimation: 
$164,835 - $201,088
Income Estimation: 
$102,189 - $143,024
Income Estimation: 
$135,994 - $168,063
Income Estimation: 
$161,209 - $233,553
Income Estimation: 
$179,455 - $227,077
Income Estimation: 
$214,167 - $272,269
This job has expired.
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at TM3 Solutions, Inc.

  • TM3 Solutions, Inc. Philadelphia, PA
  • ROLE AND RESPONSIBILITIES The Naval Surface Warfare Center, Philadelphia Division (NSWCPD) seeks an experienced Navy Validator to join our Cybersecurity/In... more
  • 2 Days Ago

  • TM3 Solutions, Inc. Philadelphia, PA
  • Overview of Role: The Lead Network Engineer (Senior) serves as the senior technical lead, overseeing the design, testing, and integration of complex networ... more
  • 5 Days Ago

  • TM3 Solutions, Inc. Philadelphia, PA
  • Overview of Role: The Systems Integration and Test Engineer (Senior) serves as the senior technical authority for systems integration engineering, verifica... more
  • 5 Days Ago

  • TM3 Solutions, Inc. Philadelphia, PA
  • Overview of Role: The Technical Writer (Journeyman) develops, formats, and maintains technical documentation and formal contract deliverables for a large-s... more
  • 5 Days Ago


Not the job you're looking for? Here are some other Security Engineer (Senior) jobs in the Philadelphia, PA area that may be a better fit.

  • Security Risk Advisors Philadelphia, PA
  • Security Risk Advisors Intl., LLC (SRA) is offering a Cloud Security Engineer position. This role is responsible for designing, implementing, and maintaini... more
  • 5 Days Ago

  • Watershed Security Philadelphia, PA
  • Job Description Watershed Security, is a Veteran Owned Small Business with over 20 years’ Cybersecurity and Government Contracting experiencing. Watershed ... more
  • 25 Days Ago

AI Assistant is available now!

Feel free to start your new journey!