Embedded Software Engineer

Arkham Technology Ltd offers a challenging, security-focused environment where embedded software meets advanced network protection. This onsite role in Irvine, CA invites engineers to lead the development of embedded software for our product portfolio, with a primary emphasis on network security applications. The position carries a salary range of USD 85,000 to 180,000 per year and requires U.S. citizenship with the ability to obtain and maintain a DoD Secret clearance.

You'll join a collaborative team that values practical problem solving, clear documentation, and rigorous engineering practices to deliver secure, reliable embedded solutions.

• 401(k)
• 401(k) matching
• Dental insurance
• Employee assistance program
• Health insurance
• Life insurance
• Parental leave
• Referral program
• Vision insurance

Responsibilities

• Design, implement, test, integrate, and document firmware and software for embedded systems and communication devices.
• Support software engineering activities such as interface design, system integration, code reviews, and software testing.
• Participate in internal reviews of software components and systems.
• Prepare project documentation to support contract deliverables, including development plans, requirements and design specifications, and test documentation.
• Develop embedded software for network security applications, covering device management software, communication protocols, device drivers, and control plane security features.
• Collaborate with cross functional teams to integrate software and hardware solutions.
• Manage requirements from decomposition through allocation, verification, and validation.

Requirements

• Bachelor’s degree in Engineering, Computer Science, or a related field.
• At least 4 years of embedded systems design experience.
• High proficiency in embedded C or C++, or equivalent languages.
• Ability to understand end-to-end network architecture from the wireless physical layer to application endpoints.
• Solid grasp of MAC and networking layers in communication systems.
• Deep knowledge of IPsec, network protocols, data authentication and encryption (TLS, SSL, OpenSSL, X.509, etc.).
• Experience with various security protocols and encryption algorithms, including CNSA.
• Experience implementing low-level hardware drivers.
• Experience with embedded Linux.
• Ability to operate in a Bare Metal environment.
• Familiarity with ARM architecture.
• Strong problem solving abilities and a collaborative team mindset.
• Excellent verbal and written communication skills.
• U.S. Citizenship is required; must be able to obtain and maintain a security clearance.
• Willingness to travel periodically as needed.

Technologies

• Embedded C/C++
• Embedded Linux
• ARM architecture
• OpenSSL, X.509 Certificates, TLS, SSL
• IPsec
• CNSA algorithms
• Cameo Systems Modeler
• NETCONF, RESTCONF, YANG
• EKMS, KMI
• SHA, HMAC, Elliptic Curve, CMS
• Public Key Infrastructure
• RESTful, SOAP

Desired Qualifications

• Experience with systems, software and hardware development processes in DoD applications
• Familiarity with DoD protocols, dynamic discovery processes, and security protocols used in DoD networks
• Expertise in cryptographic technologies and cross domain solutions
• Proficiency in Cryptographic Modernization 2 Operational Management
• Knowledge of NETCONF/RESTCONF and YANG modeling to enhance network management and operability
• Understanding of cryptographic key management based on EKMS and KMI
• Familiarity with architecture development and system modeling tools such as Cameo Systems Modeler
• Knowledge of networking and interface technologies including RESTful and SOAP services
• Understanding of security requirements for authentication, integrity, and confidentiality implementations
• PKI expertise with trust chains, certificate revocation, and certificate validation
• Expertise in cryptographic mechanisms such as SHA, HMAC, Elliptic Curve, and quantum-resistant approaches
• Understanding of Cryptographic Message Syntax (CMS)

Application questions

• How did you hear about this opportunity? (Indeed, LinkedIn, Flyers, or other)
• Have you worked with Secure Boot in any of your previous roles, particularly in embedded systems or firmware security?
• Are you a US citizen?