Ipsec

Ipsec Engineer Jobs

3 jobs found

1mo ago

Network Security Engineer

Vibotek LLC Rancho Cordova, CA

Rancho Cordova, CA

1mo ago Closed

Contract Data Security Facilities Management Firewall Management

This position is no longer accepting applications (closed Sep 10, 2026).

Job Description

Contract Network Security Engineer needed to modernize site-to-site IPsec VPN tunnels and strengthen Cisco Firepower firewall access control policies.

Responsibilities

Review approximately 80 existing site-to-site IPsec VPN tunnels
Upgrade approximately 50 VPN tunnels from IKEv1 to IKEv2
Ensure VPN configurations match organizational cryptographic standards
Update pre-shared keys (PSKs) to meet a minimum 20-character requirement
Validate VPN tunnel functionality after each configuration change
Review approximately 10 firewall access control rules on Cisco Firepower systems
Identify and remove overly permissive or broad subnet access in firewall rules
Restrict firewall rules to required source/destination networks, ports, and protocols
Apply principle of least privilege when updating access controls
Run validation testing after firewall changes to confirm no service disruption
Coordinate implementation activities with onsite campus teams and external partners
Support execution of approved maintenance window changes
Provide technical assistance during implementation activities
Document VPN and firewall changes and associated validation results
Coordinate cryptographic parameter and shared secret updates with external partners
Support scheduling and execution of maintenance window activities

Requirements

Experience managing site-to-site IPsec VPNs
Hands-on experience upgrading VPNs from IKEv1 to IKEv2
Experience configuring and validating VPN tunnel connectivity
Knowledge of cryptographic standards and secure key management practices
Experience managing firewall access control rules
Experience with Cisco Firepower firewall platforms
Ability to implement least privilege network access controls
Experience performing post-change validation and troubleshooting network issues
Experience coordinating technical changes with internal teams and external partners
Experience working within structured maintenance window processes

Technologies

IPsec VPN
IKEv1
IKEv2
Pre-shared keys (PSKs)
Cisco Firepower
Cryptographic standards
Secure key management practices

Preferred Qualifications

Experience in healthcare or higher education IT environments
Familiarity with large-scale enterprise network environments
Experience supporting change management processes in production environments

Desired Certifications

Cisco CCNA Security or CCNP Security (or equivalent experience)
CompTIA Security+ or equivalent security certification
ITIL Foundation (preferred)

Location: Rancho Cordova, CA (onsite) | Job type: contract

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1mo ago

Software Engineer

Arkham Technology Ltd. Layton, UT

Layton, UT

1mo ago Closed

$85k - $180k/yr Full time ARM Certificate Management Cyber Security

This position is no longer accepting applications (closed Sep 5, 2026).

Job Description

Arkham Technology Ltd. is hiring an Embedded Software Engineer to help build and deliver embedded software solutions for its products. This onsite role in Layton, UT focuses on the end-to-end creation of firmware, software, and network security application components, including integration between software and hardware as well as contract-ready documentation and testing artifacts.

With a salary range of USD 85,000 - 180,000 per year, the team is looking for an engineer with at least 1 year of embedded systems experience and the capability to work across network architecture from the wireless physical layer through to application endpoints.

Responsibilities

Design, code, test, integrate, and document firmware and software for embedded systems and communication products
Support software engineering activities such as interface design, system integration, code reviews, and software testing
Participate in internal reviews of software components and systems
Create project documentation supporting contract deliverables, including development plans, requirement and design specifications, and test documents
Develop embedded software for network security applications, including 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

Requirements

Bachelor’s degree in Engineering, Computer Science, or a related field
1+ years of experience in embedded systems design
High proficiency in embedded C/C++ or an equivalent systems language
Broad knowledge to understand end-to-end network system architecture from the wireless physical layer up to the application end-point
Understanding of the MAC and networking layers of a communication system
Deep understanding of Internet Protocol Security (IPsec), network protocols, and data authentication and encryption (for example TLS, SSL, encryption, OpenSSL, X.509 certificates)
Knowledge and experience with security protocols and encryption algorithms, including CNSA algorithms
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 experience working collaboratively in a team environment
Excellent verbal and written communication skills
U.S. Citizenship required, with the ability to obtain and maintain a security clearance
Willingness to travel periodically, as needed

Technologies

Embedded C/C++
TLS, SSL, OpenSSL
X.509 Certificates
IPsec
CNSA algorithms
Embedded Linux
ARM architecture

Benefits

401(k) matching
Employee assistance program
Flexible spending account
Flextime
Free parking
Gym membership
Life insurance
Referral program
Snacks provided
Vision insurance

Desired Qualifications

Experience with systems, software, and hardware development processes in DoD applications
Familiarity with DoD protocols, including 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 for 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 web services
Understanding of security requirements to provide authentication, integrity, and confidentiality services and implementation
Expertise in Public Key Infrastructure, including trust chains, certificates, revocation checking, and certificate validation
Expertise in cryptographic mechanisms such as SHA, HMAC, elliptic curve, and quantum resistance approaches
Understanding of Cryptographic Message Syntax (CMS)

Application Questions

Are you a US Citizen?
Have you worked with Secure Boot in any of your previous roles, particularly in the context of embedded systems or firmware security?

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2mo ago

Embedded Software Engineer

Arkham Technology Ltd. Irvine, CA

Irvine, CA

2mo ago Closed

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

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

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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