Endpoint Security Services
- Location
- St. Louis, MO · On-site
- Job type
- Full-time
- Level
- Lead / Staff
- Experience
- 10+ years
- Education
- Bachelor's degree
- Listed
- 14 days ago
Skills & highlights for this role
- Active security clearance
- DoD 8570 IAT Level II certification
- CSSP Infrastructure Support certification (within 6 months of hire)
- Cybersecurity engineering
- Linux administration
- Tenable Security Center
- Nessus Scanners
- Nessus Manager
- Enterprise security engineering
- DoD Architecture Framework
- Security architecture plans, designs, and evaluations
Also useful
- CSSP Infrastructure Support certification
- Linux certifications
- Windows Enterprise Active Directory architecture
- VMware virtualization
About the role
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) years of 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 knowledge of administering applications in a Linux environment
- 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.
Equal opportunity and legal notices
VEVRAA Federal Contractor
Accessibility: If you need an accommodation as part of the employment process, please contact Human Resources at
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
As an Equal Opportunity Employer, we do not discriminate on the basis of race, color, religion, sex, age, marital status, disability or veteran status
From Freedom Technology Solutions Group's careers page, first listed on Rolev.ai on October 26, 2026. Rolev.ai is not the employer.
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Common questions
Where is the Endpoint Security Services job at Freedom Technology Solutions Group located?
This Endpoint Security Services position at Freedom Technology Solutions Group is located in St. Louis, MO (On-site). Always check Freedom Technology Solutions Group's application page for specific state eligibility or relocation policies.
What qualifications are required for Endpoint Security Services at Freedom Technology Solutions Group?
For the Endpoint Security Services role, Freedom Technology Solutions Group highlights 10+ years of relevant experience; a bachelor's degree; experience with Active security clearance, DoD 8570 IAT Level II certification, CSSP Infrastructure Support certification (within 6 months of hire), Cybersecurity engineering, Linux administration, Tenable Security Center. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.
How do I apply for the Endpoint Security Services position at Freedom Technology Solutions Group?
This listing links directly to Freedom Technology Solutions Group's Greenhouse application page. You can apply directly on Freedom Technology Solutions Group's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Greenhouse application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.