Cyber Defense Infrastructure Support Specialist Senior

Cintel Inc
Huntsville, AL

Cyber Defense Infrastructure Support Specialist – Senior

Location: Huntsville, AL
Clearance Required: Active Top Secret
Experience Level: Senior (Minimum 8 Years)
Education Required: Bachelor’s degree (B.S. or B.A.)

Position Overview:

We are seeking a Cyber Defense Infrastructure Support Specialist – Senior to support our growing cyber defense operations in Huntsville, AL . This role requires a highly experienced professional with a strong background in Linux administration, cybersecurity infrastructure, system integration, and secure application development. The ideal candidate will play a critical role in sustaining and evolving our cyber defense capabilities.

Responsibilities:


  • Administer, maintain, and support Linux-based environments (Red Hat preferred).

  • Test, implement, deploy, and sustain cybersecurity hardware and software infrastructure.

  • Develop, modify, and maintain applications and specialized utility programs to support cybersecurity operations.

  • Perform system administration on dedicated cyber defense systems, applications, and VPN devices, including configuration, maintenance, backup, and restoration.

  • Coordinate with Cyber Defense Analysts to manage and update cyber defense rules and signatures.

  • Build, install, configure, and test hardware specific to cyber defense missions.

  • Integrate third-party components, enhance custom capabilities, and improve operational processes.

  • Support automation of operations and maintenance tasks using tools and scripting (e.g., Python).

  • Assist in prioritizing and coordinating the protection of critical cyber defense infrastructure.

  • Implement RMF/SA&A requirements for cyber systems; maintain documentation and security records.

Required Qualifications:


  • 8+ years of relevant experience in cybersecurity infrastructure support.

  • Experience with Linux-based environments (Red Hat preferred).

  • Proven experience supporting and administering cybersecurity systems and infrastructure.

  • Demonstrated ability to develop and maintain cybersecurity-related applications and tools.

  • Experience with RMF/SA&A processes.

  • Active Top Secret Clearance .

  • Bachelor's degree in a related field (Computer Science, Information Technology, Cybersecurity, etc.).

Certifications:


  • Red Hat Certified Systems Administrator (RHCSA)

  • AWS Certified Cloud Practitioner

  • AWS Certified DevOps Engineer – Associate

Preferred Qualifications:


  • Experience with automation and scripting using Python .

  • Familiarity with Splunk and Oracle/SQL-based platforms .

  • Experience with integrating third-party security solutions and customizing legacy systems.

  • Exposure to process improvement initiatives within cybersecurity operations.

CULTURE REQUIREMENTS:

• Engineers, Analysts, and Developers at Cintel, Inc. are highly motivated, technical, and self‐organized. We place a lot of trust in our team members to develop technical solutions for ill‐

defined problems (i.e. thrive in an environment where the problem is vague, requirements are lacking, and a solution is not obvious). We need problem solvers.

• We want our team members to be self‐motivated and eager to learn new skills. If you consider yourself a jack‐of‐all‐trades, and are eager to keep up with the latest trends in technology, you’ll fit right in.

ABOUT CINTEL, INC:

Cintel Inc. is a Small Business providing strategies and services to support an array of Government clients in Software Development, Operational/Tactical and Installation/Facilities Energy, Cyber Security, Modeling and Simulation, Data Science, and Programmatic support.

We offer our clients nimble, unique, and value focused solutions with an emphasis on people, connectivity, communication, and teamwork. Our team believes that people drive solutions. By connecting people, information, teams, and experience we deliver solutions that respond to customer needs.

It is the policy of Cintel that all persons are entitled to equal employment opportunity regardless of their race, color, religion, sex (including gender identity, sexual orientation, and pregnancy), national origin, age (40 or older), disability, genetic information, or veteran status. These policies shall ensure that the practice of nondiscrimination will be applied in the employment, promotion, upgrading, demotion, transfer, layoff, termination, recall or rehire of personnel. Equal employment opportunity applies to all terms and conditions of employment, including hiring, placement, promotion, termination, layoff, recall, transfer, leave of absence, compensation, and training.

Cintel, Inc. expressly prohibits any form of unlawful employee harassment or discrimination based on any of the characteristics mentioned above. Improper interference with the ability of other employees to perform their expected job duties is not tolerated.

Posted 2025-09-25

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