Cybersecurity Specialist– Avionics Systems; DO-ED

Cybersecurity Specialist– Avionics Systems (DO-326A / ED-202A)

Wallingford, CT | $100,000 – $125,000 | Full‑time

CS Group USA, a subsidiary of CS Group, is a key player in the development and certification of safety‑critical systems in the aerospace industry in the United States. Our team operates primarily remotely, with employees based across multiple U.S. states, offering flexibility while staying closely connected. We offer competitive compensation, comprehensive benefits, and a collaborative environment that fosters skill development and active involvement in the company’s growth.

As a Cybersecurity Specialist– Avionics Systems
, you will play a key role in ensuring that cybersecurity is integrated throughout the avionics system and software lifecycle in compliance with applicable airworthiness security standards (DO-326A, ED-202A, DO-355, DO-356A).

You will collaborate closely with system, software, and safety teams to:

• Define and maintain the airworthiness security process across projects;
• Perform Aircraft/System Security Scope Definition (ASSD/SSSD) and Security Risk Analysis (ASRA) for airborne and ground systems;
• Derive and validate security requirements aligned with certification expectations;
• Support secure architecture definition and pertinent verification activities;
• Develop and maintain the cybersecurity case to demonstrate compliance to authorities (EASA/FAA/TCCA);
• Contribute to security verification and validation activities, including penetration testing, vulnerability analysis, and security audits;
• Act as a technical advisor to project teams, fostering a “security‑by‑design” culture rather than a compliance‑only mindset.

Your mission is to empower development teams to design and deliver resilient, certifiable, and secure avionics software and systems.

• Bachelor’s or Master’s degree in Computer Science, Software, Electrical or Aerospace Engineering, or a related field;
• Strong expertise in cybersecurity for embedded or safety‑critical systems, ideally in the aerospace or defense domain;
• Proven experience with airworthiness security standards (DO-326A / ED-202A / DO-355 / DO-356A) or equivalent frameworks (ISO/SAE 21434, IEC 62443);
• Thorough understanding of DO-178C, ARP
  4754A, and DO-254 (or relevant equivalent) development processes is a strong asset;
• Demonstrated proficiency in threat modeling, secure coding practices, and risk analysis (SRA);
• Relevant exposure and interactions with certification authorities (or delegates) and Stage Of Involvement meetings;
• Relevant cybersecurity certifications (CISSP, GICSP, or equivalent) are a plus;
• Ability to collaborate across multidisciplinary teams (architecture, software, safety, verification);
• Excellent communication and leadership skills, with the ability to translate complex security concepts into actionable engineering practices.

• All members included in annual cash bonus opportunity;
• 2% annual retirement benefit opportunity;
• Training/Professional Development opportunities for all members;
• 6 paid holidays;
• Industry leading medical, dental, and vision insurance;
• Vacation / Sick Time / Bereavement leave;
• Employee Assistance Program, including mental health benefits;
• Spouse / Child Optional Life;
• Whole Life Insurance / Critical Illness Insurance / Legal Assistance / Military Leave.

CS Group US values diversity in the workplace and encourages women, visible minorities, ethnic minorities, aboriginal people and people with disabilities to apply.

All your information will be kept confidential according to EEO guidelines.