Freedom Technology Solutions Group

Endpoint Security Services

St. Louis, MO
Level
Mid

Not stated in the posting: salary, work type, visa.

Open. First seen 26 October 2026.

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

Freedom Technology Solutions Group's standard text

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

Freedom Technology Solutions Group's standard text

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: recruiting@goftsg.com

Freedom Technology Solutions Group's standard text

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

What this role asks for

Particular to this role

Active Directory · VMware

Rare in Freedom Technology Solutions Group's other 95 open postings.

Standard for security roles

Cybersecurity

Common in security postings at any company.

77% of this description is written for the role. The rest is Freedom Technology Solutions Group's standard text, folded away below.

Compared with Freedom Technology Solutions Group's other open jobs.

The team: SGIS HIRES STEADILY

This role is one of 28 open in SGIS. 6 were posted in the last 30 days and the oldest in March: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

AWS (17 of 28), Python (16 of 28), CI/CD (14 of 28), Agile (13 of 28), Docker (13 of 28), GitLab (13 of 28), Kubernetes (13 of 28)

OTHER ROLES ON THIS TEAM

From the team and dates on Freedom Technology Solutions Group's own job board.

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