Demo

Cybersecurity Engineer

HX5, LLC
Houston, TX Full Time
POSTED ON 4/1/2026
AVAILABLE BEFORE 5/9/2026
Cybersecurity Engineer

Engineer II

ADV000CLA

NASA Johnson Space Center

Houston, Texas

HX5 is an award-winning provider of engineering, research and development, and technical services to clients such as NASA and the Department of Defense. Founded in 2004, HX5 is a fast-growing veteran- and woman-owned company with locations nationwide.

HX5 is currently seeking a Cybersecurity Engineer to join the team with NASA at Johnson Space Center (JSC) in Houston, TX. This role provides systems expertise for the Gateway Program and contributes to the development, design, testing, evaluation, and cybersecurity domain of spacecraft systems. The engineer will collaborate with NASA teams, provide technical guidance, perform cybersecurity assessments, and support the rapid development of spacecraft systems in a dynamic engineering environment.

Essential Duties And Responsibilities

The Cybersecurity Engineer will:

  • Provide engineering analysis and technical consultation for the development, design, testing, and evaluation of spacecraft systems, software, hardware, and cybersecurity.
  • Provide technical guidance, oversight, and resolution of issues related to Multiple-System Domains (Software and Networks) for NASA projects and programs.
  • Perform cybersecurity impact assessments.
  • Communicate effectively with internal and external customers.
  • Coordinate with external organizations to perform cybersecurity remediation.
  • Operate successfully in a fast ‑ paced cyber systems environment supporting rapid evaluation for Cybersecurity related Risks.
  • Demonstrate strong customer focus, effective communication skills, and the ability to work in a dynamic, schedule – driven environment.
  • Perform other duties as assigned.

Education And Experience

  • Typically requires a bachelor's degree in engineering and a minimum of 2- 5 years of experience in the field or in a related area.
  • Eligibility for U.S. Government Top Secret security clearance.
  • Experience in Avionics Electrical or Software Systems design and development.
  • Experience performing cybersecurity impact assessments and remediation.
  • Familiarity with cybersecurity controls and requirements such as NIST SP 800 ‑ 53: Recommended Security Controls for Federal Information Systems
  • Experience with network design, network management tools, IT security, and network troubleshooting techniques.
  • Familiarity with commercial products used in computer networking technology.
  • Excellent communication, negotiation, and coordination skills, with a strong customer service mindset.

Preferences

  • Knowledge of NASA NPR 2810.1A: Security of Information Technology
  • Maintains a CompTIA Security certification (Baseline DoD 8570/8140 IAT Level II certification)
  • Thorough understanding of computer networking technologies, including IEEE 802.3 (Ethernet) standards.
  • Experience with hardware and software integration.
  • Experience in cybersecurity planning, auditing, and vulnerability scanning.
  • Experience with avionics cybersecurity system maintenance (e.g., disabling services, implementing countermeasures, intrusion detection, firewall configuration).
  • Experience with spacecraft avionics, networks and flight software analysis.
  • Experience applying computer network technology in space systems.
  • Familiarity with ARINC 664 Part 7 Aircraft Data Network
  • Familiarity with SAE AS6802 Time ‑ Triggered Ethernet Standard

Position Type/Expected Hours of Work:

This is a full-time position and offers a 9/80 work schedule (every other Friday off).

Work Environment:

  • Generally, an office environment, but can involve inside or outside work depending on task.
  • Equipment and Machines - Standard office equipment (PC, telephone, printer, etc.).

Physical Requirements:

  • Work may involve sitting or standing for extended periods (90% of time).
  • May require lifting and carrying up to 25 lbs. (5% of time).

Other Position Requirements:

  • Proof of U.S. Citizenship or US Permanent Residency may be a requirement for this position.
  • Must be able to complete a U.S. government background investigation.
  • Ability to obtain and maintain a Top-Secret clearance
  • Regular attendance in accordance with established work schedule is critical. Ability to work outside normal schedule and adjust schedule to meet peak periods and surge requirements.

HX5 offers a competitive salary and benefits package to include:

  • Medical/Dental/Vision Insurance
  • 401(k) plan with Company Match
  • Paid Holidays
  • Paid Time Off
  • Parental Leave
  • Life Insurance
  • Tuition Reimbursement
  • Medical and Dependent Care Flexible Spending Accounts
  • Pet Insurance

HX5, LLC is an Equal Opportunity Employer that recruits and hires qualified candidates without regard to race, religion, sex, age, national origin, ancestry, citizenship, disability, or veteran status.

HX5, LLC is a Drug Free Workplace Employer.

ACCESSIBILITY NOTICE: If you need a reasonable accommodation for any part of the employment process due to a physical or mental disability, please call (850) 362-6551.

CJ

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