Network Security Software Engineer

Job ID: 112129
Location: Plano , Texas  [Remote]
Category: App/Dev
Employment Type: Contract
Date Added: 03/02/2026
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A senior-level Network Security Software Engineer responsible for developing and maintaining high-performance network protocol decoding engines optimized for deep packet inspection at speeds exceeding 100 Gbps. The role involves designing features for Linux-based security appliances, collaborating with cybersecurity and AI teams, and ensuring the robustness and reliability of security solutions in real-time environments. The position offers the opportunity to work on cutting-edge packet processing technology with significant impact on network security across various infrastructures.

Responsibilities

  • Design, implement, and deploy new features for high-speed network security appliances in an agile development environment.
  • Maintain and optimize C/C++ codebases utilizing eXpress Data Path (XDP) and eBPF for line-rate packet processing.
  • Develop and refine protocol decoders for networking and operational technology (OT) protocols.
  • Collaborate with cybersecurity and AI teams to identify malicious behaviors and detect anomalies.
  • Troubleshoot complex software issues, including memory leaks, race conditions, and system crashes.
  • Write comprehensive unit tests to validate software functionality, performance, and reliability.
  • Package software releases using Linux RPMs and manage version control with git for automated testing workflows.
  • Create detailed design documentation and defend technical choices in team meetings.
  • Participate in daily stand-ups, planning sessions, and contribute to continuous improvement initiatives.
  • Assist in troubleshooting urgent issues outside of regular hours, including occasional evening and weekend support.

Qualifications

  • Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field, or equivalent practical experience.
  • Proven experience in C/C++, algorithms, and data structures related to high-performance network applications.
  • Strong understanding of network protocols such as TCP/IP, DNS, HTTP, and TLS.
  • Experience developing applications within a Linux environment, including building and deploying software.
  • Ability to work with SQL databases and integrate them into network security solutions.
  • Must be legally authorized to work in the United States without employer sponsorship, now or in the future and successful completion of a criminal background check (required for project compliance).
  • Excellent troubleshooting skills and familiarity with complex software issues like memory leaks and race conditions.

Publishing Pay Range: $70.00 – $80.00 Hourly 

This is a fully remote role and can be performed from an approved location.

About GDH:
At GDH, we believe in the power of people and the importance of caring. Our culture statement, “We care about people,” isn’t just a tagline – it’s the core of everything we do. GDH is a premier staffing and talent solutions company dedicated to helping businesses find the best talent and assisting job seekers in finding their dream jobs.

Who We Are:
GDH, founded in 2001, has grown into a leader in providing staffing solutions across various industries. We specialize in IT across several sectors, connecting top talent with leading enterprises. As a Best of Staffing firm recognized for excellence in client, employee, talent, and women’s services, we pride ourselves on our commitment to quality and service.

GDH Benefits

GDH offers a range of employee benefits that are designed to promote well-being and help maintain a healthy work-life balance. These comprehensive benefits cover various aspects of an employee’s life and aim to enhance their overall experience with the company. Our health benefits include three medical insurance options with access to KISx Card, Zero Card, and HealthJoy concierge services. Other plan offerings include dental, vision, life, disability, supplemental insurance, and pet insurance plans. Enjoy additional perks like holiday pay, 401(k) plan, direct deposit, an employee referral program, work-life balance benefits, a Wellbeats membership, a discounted gym membership program, and more!  For more detailed information on benefits, please go to GDH’s website under the tab for candidates.

GDH provides equal employment opportunities (EEO) to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, gender, sex (including pregnancy), sexual orientation, gender identity, national origin, age, disability, genetic information, marital status, ancestry, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable federal, state, and local laws. Applicants with disabilities who require an accommodation or assistance in applying and/or for interviewing, please contact our HR Department.

Please visit our notice of collection for California applicants.

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