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Senior Boundary Engineer

HX5, LLC
life insurance, vision insurance, parental leave, paid time off, paid holidays, tuition reimbursement, 401(k)
United States, Alabama, Huntsville
Aug 14, 2025

Senior Boundary 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 Boundary Engineer that will support the Missile Defense Agency (MDA) on the Integrated Research and Development for Enterprise Solutions (IRES) contract.

Essential Duties and Responsibilities:

  • Design, implement, and maintain network perimeter infrastructure, including routers, switches, firewalls, load balancers, and other network devices.
  • Configure and troubleshoot network routing protocols (e.g., BGP, OSPF, EIGRP).
  • Plan, configure, and maintain firewall infrastructure.
  • Monitor network performance and identify areas for improvement at the network edge.
  • Troubleshoot network issues and provide timely resolution related to perimeter devices.
  • Implement and maintain network security policies and procedures.
  • Manage and maintain PKI infrastructure.
  • Ensure network compliance with industry standards and regulations.
  • Collaborate with other IT teams to support business applications and services.
  • Document network configurations and procedures.

The Successful Candidate Will:

  • Have strong organizational and multitasking abilities
  • Be able to effectively communicate with customers and other team members, both orally and in writing.

Education and Experience:

  • Must have 10, or more, years of general (full-time) work experience
  • Must have 5, or more, years of direct experience as a Boundary Engineer
  • Must have direct experience with the F5 load balancer
  • Must have direct experience with the Palo Alto Next-Generation Firewall (NGFW)
  • Must have direct experience operating Web Proxys
  • Must have working experience AND an understanding of the OSI model and IP protocol stack.
  • Must have experience working with network switching and routing protocols (BGP, OSPF, EIGRP) as they pertain to Netscalers, Cisco, Citrix, and Firepower.
  • Must have a current DoD 8570 IAT Level II certification (e.g., Security+, CISSP, etc.)
  • Must have an active DoD Secret Security Clearance

Desired Requirements:

  • Have experience in assessing and documenting test or analysis data to show cyber security compliance
  • Have experience working within the National Industrial Security Procedures and Operations Manual (NISPOM)
  • Be familiar with Isolated Network security best practices
  • Have a CISSP certification or DoD 8570 IAT Level III Certification
  • Be proficient in Authorization to Operate (ATO) under the Joint (SAP) Implementation Guide (JSIG)
  • Have experience working in a Zero Trust Environment.

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 Fridayduring core business hours.

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 a Secret clearance.
  • 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, pleasecall (850) 362-6551.

CJ

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