[BLR] Network Security Protocols (Macsec) Software Development – Technical Lead

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[BLR] Network Security Protocols (Macsec) Software Development – Technical LeadBangalore, IndiaAbout ArrcusArrcus was founded to enhance business efficiency through superior network connectivity.

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[BLR] Network Security Protocols (Macsec) Software Development – Technical Lead
Bangalore, India
About Arrcus
Arrcus was founded to enhance business efficiency through superior network connectivity. The Arrcus Connected Edge (ACE) platform offers best-in-class networking with the most flexible consumption model at the lowest total cost of ownership. The Arrcus team consists of world-class technologists who have an unparalleled record in shipping industry-leading networking products, complemented by industry thought leaders, operating executives, strategic partners, and top-tier VCs. The company is headquartered in San Jose, California. For more information, go to www.arrcus.com or follow @arrcusinc.
We offer a variety of roles in software, hardware, and cloud environments. We are looking for people who are self-motivated, creative, and agile. You will work closely with the top-notch talent in Arrcus in redefining networking..
Responsibilities

Work with customer and product teams to understand new requirements
Write Feature Spec covering the requirements and detailed design
Implement improvements and features individually or as part of a team
Triage, resolve internal and customer found issues
Evaluate, Integrate third party libraries
Peer review of Feature Spec, Code, Test Plan and other engineering documents
Improve performance/scale of existing features/solutions
Help with interview, onboarding and mentoring of new hires
Plan, schedule, track and periodically report the project status all the way to customer delivery

Qualifications

8+ years of relevant hands-on software development experience.
Strong programming skills in C/C++ and Python.
Strong AI experience with Claude is required
Strong understanding and hands-on experience with MACsec and MKA protocol stack development.
Hands-on experience with IEEE 802.1X-2010/2020 MKA: CAK/CKN, SAK derivation and distribution, key server election, EAPOL-MKA PDU handling, and live/potential peer state management.
Strong understanding of IEEE 802.1AE (MACsec), including SecTAG, SCI, secure channel and secure association lifecycle, ICV, and replay protection.
Good understanding of networking concepts and protocols.
Experience developing software for networking products, routers, switches, security appliances, or similar systems.
Strong debugging and problem-solving skills.
Experience working in a Linux/Unix environment.
Ability to analyze complex system-level issues and develop robust solutions.
Strong communication and collaboration skills.

Preferred Qualifications

Experience with XPN (GCM-AES-XPN-128/256), 64-bit packet numbering, SSCI/salt derivation, and 802.1AEbw.
Experience with PSK-based and 802.1X/EAP-derived CAK, including RADIUS and MSK-based key hierarchies.
Experience with cryptographic algorithms and encryption technologies such as AES-GCM, AES-CMAC, and AES Key Wrap.
Familiarity with cipher suite negotiation, confidentiality offset, validateFrames modes, and delay protection.
Experience with MACsec over LAG/port-channel and switch-to-switch and host-to-switch deployment models.
Knowledge of Ethernet, IPv4/IPv6, VLAN, routing and switching.
Familiarity with IEEE8021-SECY-MIB counters and protocol-level troubleshooting using per-SA/SC statistics.
Experience with network operating systems or embedded networking software is highly desirable.
Familiarity with OpenConfig/YANG, NETCONF/gNMI, or similar management interfaces.
Experience with multi-vendor MACsec interoperability and conformance testing.
Experience with IPsec, IKEv2, ESP, and related security concepts is a plus.
Familiarity with software development methodologies, Git, CI/CD, and automated testing.

Bonus

Prior work experience in a startup or venture-backed company is a big plus.

Benefits

Generous compensation packages including equity
Medical Insurance
Parental Leave

Equal Opportunity
At Arrcus, we’re proud to be an equal opportunity employer – We realize the key to creating a company with a world-class culture and employee experience comes from who we hire and creating a workplace that celebrates everyone. A strong belief of culture addition will propel us forward, together.

With this, we consider qualified applicants without regard to race, color, religion, creed, gender, national origin, age, disability, veteran status, sexual orientation, pregnancy, sex, gender identity, gender expression, genetic information, physical or mental disability, HIV status, registered domestic partner status, caregiver status, marital status, veteran or military status, citizenship status or any other legally protected category. This policy applies to all terms and conditions of employment, including but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, benefits, compensation and training.