What are the responsibilities and job description for the Senior Firmware Engineer position at Cygnus Professionals Inc.?
We have an immediate onsite requirement for a highly experienced Senior Embedded Firmware Developer to support a major broadband networking program in Denver (Englewood), Colorado. We are looking for strong candidates with extensive hands-on experience in embedded Linux, OpenWrt, networking protocols, and WiFi technologies.
Position Details
- Role: Senior Embedded Firmware Developer
- Location: Denver (Englewood), CO
- Work Type: Onsite ( no remote)
- Experience: 10 Years
- Interview Mode: Webex/Video Interview followed by client evaluation
- W2 Contract Only
Job Summary
The selected candidate will design, develop, and maintain firmware for WiFi 6/6E/7 residential gateway/router platforms deployed at large scale. The role requires deep technical expertise, architecture-level thinking, leadership capabilities, and collaboration across firmware, cloud, test, and vendor teams.
Mandatory Skills
Please submit only candidates who have strong experience in MOST of the following areas:
- 10 years of Embedded Linux development using C/C
- OpenWrt development including packages, feeds, Kconfig, and patch management
- Linux kernel networking stack
- TCP/IP, DHCP, DNS, NAT, MAP-T, routing protocols (RIPv2, OSPF)
- WiFi 6/6E/7 (802.11ax/be) technologies
- Qualcomm IPQ and/or Broadcom platforms
- Device tree, kernel modules, board bring-up
- Advanced troubleshooting of kernel panics, watchdogs, memory leaks, and performance issues
- Python and Shell scripting
- Technical leadership and mentoring experience
- Strong Git/GitLab workflow knowledge
Preferred Skills
Candidates with the following experience will receive priority consideration:
- OpenSync, OVSDB, Plume Cloud
- Open vSwitch (OVS)
- QCA NSS/PPE hardware acceleration
- FRR/Quagga routing frameworks
- IPSec and GRE tunneling
- DOCSIS/CPE/Broadband ISP platforms
- GitLab CI/CD
- Fleet-scale firmware deployment and rollback strategies
- Regulatory certification exposure (FCC/WiFi Alliance)
- Offshore team coordination experience
Tools & Environment
- C, C , Shell, Python
- Qualcomm IPQ Platform
- OpenWrt / Linux Kernel
- OpenSync / OVSDB
- Buildroot / Yocto / Make / CMake
- Wireshark, tcpdump, GDB, Valgrind, perf, ftrace
- GitLab CI/CD