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Salary
≈ $126k – $242k per year (Estimated)
Location
In office (Saint Louis)
Seniority
Staff · 10+ years exp
Visa
H-1B filings in 12 months: 1

Confirmed on the employer's own hiring board on Oct 28, 2026. First seen by Alion on Sep 16, 2025. Freedom Consulting Group scores B on the Alion truth index.

Overview
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Freedom Consulting Group is an American technology services company that works almost entirely for United States intelligence and defence customers. Its engineers build and operate cloud infrastructure, data platforms, software and cybersecurity systems inside classified environments, with a particular concentration in Amazon Web Services work for the intelligence community. Headquartered in Columbia, Maryland with offices in northern Virginia, it employs cleared staff almost exclusively, which is both the barrier to entry in its market and the constraint on how quickly it can grow.

Freedom Technology Solutions Groups is looking for a Senior Endpoint Security Engineer to join our Transport & Cybersecurity Services (TCS) team.This is an exceptional opportunity for a cleared professional to join an incredibly talented team, work with cutting edge technologies, and propel your career within the Cyber realm! 

Responsibilities:   

  • Implement and apply technologies, processes, and practices designed to protect networks, devices, programs, and data from malicious attack, damage, or unauthorized access. 
  • Provide engineering and sustainment support for the various endpoint security solutions. 
  • Establish computing environment by designing system configuration, directing system installation, and defining, documenting, and enforcing system standards.  
  • Provide specific, detailed information for hardware and software selection, implementation techniques, and tools for the most efficient solution to meet business needs, including present and future capacity requirements.  
  • Configure and install various security products utilizing Linux OS. 
  • Work with both the software vendor and the customer to research, analyze, and implement enterprise-wide security solutions/capabilities/enhancements to support customer business/mission goals and objectives 
  • Assist with design, analysis, testing and implementation of state-of-the-art secure architectures 
  • Oversee security infrastructure sustainment, maintenance, and advanced configuration (policy management, database administration and security management tools) 
  • Oversee the reporting, documentation and investigation of all security related incidents; lead the development and implementation of corrective measures 

 Qualifications  

Required:  

  • Active security clearance 
  • DoD 8570 IAT Level II certified (current) 
  • Must obtain a CSSP Infrastructure Support certification within 6 months of hire date 
  • Bachelor's degree (Engineering, Computer Science or related field) and ten (10) yearsof technical experience in Cyber Security. Additional experience may be considered in lieu of a degree. 
  • Working knowledge of maintaining Enterprise Cyber Security Engineering requirements utilizing all or some of the following tools: Tenable Suite that include Security Center, Nessus Scanners, Nessus Manager 
  • Strong working knowledgeof administering applications in a Linuxenvironment 
  • Experience with large-scale enterprise/global networks in a high-paced, diverse environment 
  • Understanding of and experience with the DoD Architecture Framework and other key DoD network architecture and strategic planning instructions 
  • Experience in providing status reports and products to senior management and customers 
  • Experience with plans, designs, and evaluations of security systems and architectures 

Desired:  

  • CSSP Infrastructure Support certification 
  • Any Linux related certifications 
  • Windows Enterprise Active Directory (AD) architecture and VMWare virtualization 

What’s in It for You?

Flexible work environment

A team mentality - work with friendly, like-minded professionals

Work with innovative, cutting edge technologies

Enjoy extremely competitive compensation and benefits

A work-life balance you can count on

Opportunities to grow and advance your career on our dime

The Benefits You Get with Freedom

Amazing benefits including matching 401k, fully paid medical, and more

Generous paid time off - including paid site closure days

Competitive salary offerings

Paid training and tuition reimbursement

Referral bonuses

Fully paid life and disability

Annual logo wear allowance

Company sponsored events (game nights, holiday party, summer party, happy hours)

Interested in learning more about Freedom and our culture?  Contact us today!  We’re constantly hosting hiring events in our office and elsewhere, to help you get a sense of what life is like at Freedom before joining the team.

As an Equal Opportunity Employer, we do not discriminate on the basis of race, color, religion, sex, age, marital status, disability or veteran status

Applicant Federal & E-Verify Postings

VEVRAA Federal Contractor

Accessibility: If you need an accommodation as part of the employment process, please contact Human Resources at

Phone: 410-290-9035 

Email: [email protected]

Equal Opportunity Employer, including disabled and veterans.

If you want to view the EEO Law poster, please choose your language: English  - Spanish  - Arabic  - Chinese

If you want to view the EEO Law Supplement poster, please choose your language: English  - Spanish  - Chinese

If you want to view the Pay Transparency Policy Statement, please click the link:  English

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