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Senior Cybersecurity Engineer

HX5, LLC

Today
Secret
Unspecified
Unspecified
IT - Security
Huntsville, AL (On-Site/Office)

Senior Cybersecurity Engineer
Redstone Arsenal
Huntsville, AL

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 qualified Senior Cybersecurity Engineer to support the Missile Defense Agency (MDA) on the Integrated Research and Development for Enterprise Solutions (IRES) contract in Huntsville, AL.

Essential Duties and Responsibilities:
  • Will translate complex technical findings into actionable insights, work closely with security operations, engineering,
    and development teams to drive remediation efforts, and continuously enhance our security posture through proactive
    validation.
  • Support the Cyber Infrastructure Support Team with Operations & Sustainment (O&S) activities associated with all ASV systems within the MDA environment.
  • Administer, configure, and maintain the automated security validation platform (e.g., AttackIQ, Cymulate, Picus, SafeBreach, Mandiant Advantage, etc.).
  • Troubleshoot and resolve any issues related to platform functionality, agents, or integrations.
  • Execute automated validation campaigns across various environments (e.g., endpoints, networks, cloud, applications).
  • Continuously research and incorporate new attack techniques and threat intelligence into validation efforts.
  • Generate comprehensive reports, dashboards, and metrics on security control effectiveness and posture.
  • Communicate findings, risks, and recommended remediations to technical and non-technical stakeholders.
  • Integrate the security validation platform with existing security tools (SIEM, EDR, SOAR, CMDB, Vulnerability Management, Ticketing Systems) via APIs or other mechanisms.
  • Proactively identify opportunities to enhance the effectiveness and efficiency of the security validation program.
  • Maintain detailed documentation of platform configurations, test plans, and procedures.

Education and Experience:
  • Must have 5, or more, years of experience in cybersecurity related roles to include: security operations, vulnerability
    management, penetration testing, or red teaming
  • Must have a strong understanding of network protocols, operating systems (Windows, Linux), cloud environments (AWS,
    Azure, GCP), and common enterprise architectures.
  • Must be able to support after-hour maintenance window work, as needed.
  • Must be able to maintain a restricted badge and work on site 4+ days per week
  • Must have a current IAT Level II Certification (Security+ CE)
  • Must have an active DoD Secret Clearance

Preferred Requirements:
  • Have relevant Industry certifications such as OSCP, CySA+, PenTest+, CEH
  • Be proficient in at least one scripting language (e.g., Python, PowerShell) for automation and API integration.
  • Have knowledge of common attack techniques, exploitation methods, and adversary tactics, techniques, and procedures (TTPs).
  • Have experience with the MITRE ATTACK framework and its application in security testing and validation.
  • Be familiar with various security controls (e.g., EDR, SIEM, Firewalls, IDS/IPS, DLP, WAF) and how to test their effectiveness.
  • Be familiar with the MDA and BMDS programs


Position Type/Expected Hours of Work:
This is a full-time position requiring 40 hours per week and offers a flexible work schedule Monday through Friday during core business hours. Day shift - with support for after-hour maintenance window work, as needed.

Other Position Requirements:
  • Proof of U.S. Citizenship or US Permanent Residency is a requirement for this position.
  • Must be able to complete a U.S. government background investigation.
  • Must be able to obtain the required clearance level by date of hire.
  • Must be able to travel, including air travel.
  • Must have a valid Drivers License.

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
  • Identity Protection
  • Medical and Dependent Care Flexible Spending Accounts
  • Commuter/Transit Spending Accounts
  • Group Legal Coverage Options
  • 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
group id: 10324543

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Job Category
IT - Security
Clearance Level
Secret
Employer
HX5, LLC