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X.509 Certificates Engineer Jobs

2 jobs found

16d ago

Embedded Software Engineer

Arkham Technology Ltd. Irvine, CA

Irvine, CA

16d ago

$85k - $180k/yr Full time API Arm Microcontrollers Cyber Security

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Job Description

Arkham Technology Ltd. is seeking an Embedded Software Engineer to drive the design and implementation of embedded firmware for network security and defense-grade products in Irvine, California. This onsite, full-time role demands deep expertise in embedded systems and the ability to obtain DoD clearance, guiding projects from concept through validation.

Position overview

Arkham Technology is looking for an Embedded Software Engineer with strong embedded-systems know-how to lead the development and deployment of software solutions for our product line. You will provide technical leadership and ensure the delivery of high-quality embedded software across programs.

Responsibilities

Design, implement, test, integrate and document firmware and software for embedded systems and communication products.
Support software engineering activities including interface design, system integration, code reviews, and validation testing.
Participate in internal reviews of software components and systems.
Produce required project documentation to support contract deliverables, including development plans, requirements and design specifications, and test artifacts.
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 through decomposition, allocation, verification, and validation processes.

Requirements

Bachelor's degree in Engineering, Computer Science, or a related field.
Minimum 4 years in embedded systems design.
High proficiency in embedded C/C++ or equivalent systems language.
Broad ability to understand end-to-end network system architecture from wireless physical layer to application end-point.
Understanding of MAC and Networking layers in a communication system.
Deep knowledge of Internet Protocol Security (IPsec), network protocols, data authentication and encryption (TLS, SSL, OpenSSL, X.509 certificates).
Familiarity with various security protocols and encryption algorithms, including CNSA suites.
Experience with low-level hardware driver implementation.
Experience with embedded Linux.
Ability to work in a Bare Metal environment.
Familiarity with ARM architecture.
Strong problem-solving skills and the ability to work in a collaborative team environment.
Excellent verbal and written communication skills.
U.S. Citizenship required; ability to obtain and maintain a security clearance.
Willing to travel periodically, as needed.

Technologies

Embedded C/C++, Embedded Linux, Bare Metal
ARM architecture
OpenSSL, TLS, X.509 Certificates
IPsec
NETCONF/RESTCONF, YANG modeling
Cameo Systems Modeler
RESTful, SOAP
SHA, HMAC, Elliptic Curve cryptography, CMS
Public Key Infrastructure (PKI)

Benefits

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

Desired qualifications

Experience with DoD systems, software and hardware development processes
Familiarity with DoD protocols, dynamic discovery processes, and security protocols 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
Understanding of cryptographic key management based on EKMS and KMI
Experience with architecture development and modeling tools such as Cameo Systems Modeler
Knowledge of networking and interface technologies including RESTful and SOAP web services
Understanding of security requirements for authentication, integrity, and confidentiality
Expertise in PKI with trust chains, certificate revocation, and certificate validation
Knowledge of cryptographic primitives 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 embedded systems or firmware security?
Are you a US citizen?

Job type

Full-time

Pay

USD 85,000 - 180,000 per year

Work location

Irvine, CA (onsite)

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1mo ago

Engineer/Sr Engineer, IT Aviation Cybersecurity

American Airlines Fort Worth, TX

Fort Worth, TX

1mo ago Closed

Full time Aviation Certificate Management Cyber Security

This position is no longer accepting applications (closed Jul 8, 2026).

Job Description

Location: Fort Worth, TX (onsite) — Join American Airlines in a role dedicated to digital aircraft cybersecurity, risk analysis, and cross functional collaboration with internal IT, operations, and industry partners. This position emphasizes a benefits-rich environment, ongoing professional growth, and a culture that values teamwork, transparency, and stability. You’ll have meaningful opportunities to travel, expand your expertise, and contribute to secure, reliable aviation technology.

What You'll Do

Apply cybersecurity expertise to guide technical research, planning, and architectural design of digital aircraft systems, ensuring the confidentiality, integrity, and high availability of corporate, vendor, and customer data.
Define, develop, and deliver technical solutions, security requirements, and standards that reflect both industry norms and company technology standards across multiple security domains.
Provide internal security consultations for teams supporting digital aircraft, ground, and communication systems.
Support standards, regulations, and compliance activities from a cybersecurity perspective for the FAA and other governing bodies.
Interface with industry counterparts such as Aviation-ISAC, IATA Cybersecurity Task Force, and oneworld partners.
Assist with cyber incidents related to American Airlines aviation technologies; deliver and maintain key artifacts and work products supporting system reviews, software development, and quality assurance of airline operations.
Ensure digital aircraft systems and endpoints are scanned using vulnerability management tools and practices.
Coordinate with business, IT teams, and IS Risk to remediate compliance findings promptly while addressing risk reduction objectives.
Demonstrate a continuous improvement mindset.
Maintain an effective approach to problem solving, multitasking, coordinating, and scheduling to ensure visibility and predictability.
Occasionally work extended hours and may travel periodically, with planning in advance.

All You'll Need for Success

Minimum Qualifications

Bachelor's degree in Information Technology, IT Security, Network Systems Technology or related technical discipline, or equivalent experience/training
5 years of experience in security technology design
5 years of network, server, and application systems development experience

Preferred Qualifications

5 years designing, deploying, and managing PKI and cryptographic solutions
5 years hands-on experience with Identity and Access solutions
3 years experience on Network Security and VPN solutions
4+ years' experience in NIST 800 series frameworks
Application coding and scripting via Python, SQL, Bash, or PowerShell

Preferred Certifications

CISSP - Certified Information Systems Security Professional
CISM - Certified Information Security Manager
CISA - Certified Information Systems Auditor
CEH – Certified Ethical Hacker
GIAC aviation-aligned certs: GCIA, GCFA, GMON, GCTI
Microsoft / Azure security certs (AZ-500, SC-100)
Zero Trust-related GIAC certs (GDAT)

Technologies

Microsoft Sentinel
Splunk
KQL
Sigma-to-KQL translation
UEBA
PKI
X.509
OCSP
CRL
Active Directory
Group Policy
Local Security Policy
Windows scripts
PowerShell
Python
SQL
Bash
Citrix
VMware
Hyper-V
IaaS
PaaS
SaaS

What You'll Get

Travel Perks: Access to travel opportunities across our global network
Health Benefits: Comprehensive health, dental, prescription, and vision coverage from day one
Wellness Programs: Resources and support to maintain well-being
401(k) Program: Available on hire, with employer contributions after eligibility
Additional Benefits: Employee Assistance Program, pet insurance, and discounts on hotels, cars, cruises, and more

Feel Free to Be Yourself at American

American Airlines embraces inclusion and diversity as the foundation of our dynamic workforce. With 20+ Employee Business Resource Groups, we connect teammates to customers, suppliers, communities, and shareholders, helping everyone reach their full potential and fostering an inclusive work environment that meets the needs of our diverse world.

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X.509 Certificates Engineer Jobs

Embedded Software Engineer

Engineer/Sr Engineer, IT Aviation Cybersecurity

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