Job Description
Overview:
TekWissen is a global workforce management provider headquartered in Ann Arbor, Michigan that offers strategic talent solutions to our clients world-wide. Our client is an American multinational information technology services and consulting company and is a leading provider of information technology, consulting, and business process outsourcing services, dedicated helping the world's leading companies build stronger businesses.
Job Title: Jr. Embedded Developer
Location: Englewood, CO
Duration: 6 Months
Job Type: Temporary Assignment
Work Type: Onsite
Location: Englewood, CO
Duration: 6 Months
Job Type: Temporary Assignment
Work Type: Onsite
Job Description:
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WiFi Integration
- Develop and maintain WiFi radio configuration across Qualcomm, Broadcom, and Atheros chipsets for 2.4GHz, 5GHz, and 6GHz bands.
- Implement and debug WiFi features including band steering, client steering, channel selection (DFS/non-DFS), BSS Coloring, OFDMA, MU-MIMO, TWT, and MLO (WiFi 7).
- Work with hostapd/wpa_supplicant configuration, CFG80211/mac80211/nl80211 driver interfaces.
- Develop and maintain OpenSync WiFi managers for cloud-managed radio configuration, client monitoring, and statistics reporting.
- Debug WiFi driver crashes, firmware asserts, performance regressions, and interoperability issues across client devices.
- Implement mesh/extender backhaul configuration and optimization.
- Develop and tune RvR (Rate vs Range) and throughput KPIs across firmware builds.
- Support channel switching, ECSA, radar detection (DFS), and regulatory compliance across multiple country codes.
Cellular Backup (Phone-as-Backhaul)
- Implement phone-as-backhaul connectivity - enabling the router to use the customer's mobile device as a backup WAN path.
- Develop the router-side failover client that communicates with the companion mobile app (MSA) to initiate and terminate backup sessions.
- Implement WAN outage detection and internet reachability healthcheck framework.
- Develop route arbitration and traffic steering logic between primary WAN and phone-based cellular backup.
- Manage concurrent WiFi AP + STA operation - serving home clients on AP while connected to phone hotspot as upstream STA.
- Handle USB tethering detection and network interface management (RNDIS/CDC-NCM/CDC-ECM).
- Implement graceful failback logic when primary WAN recovers.
- Develop LED state machine logic for multi-WAN connectivity status indication.
- Implement QoS and bandwidth management during cellular backup mode (customer's data plan awareness).
Platform & Common
- Design, develop, and debug embedded C software for Linux-based residential gateway platforms (ARM/MIPS SoC).
- Develop and maintain OpenSync managers - event-driven daemons that interact with OVSDB for cloud-managed configuration and state reporting.
- Implement secure communication channels using TLS with mutual authentication (mTLS) between router and cloud/mobile app.
- Debug kernel-level issues including network driver crashes, kernel panics, and memory leaks.
- Develop init scripts, UCI configuration handlers, and persistent storage management for OpenWrt.
- Analyze and resolve field issues using device logs, crash dumps, logpull analysis, and remote diagnostics.
- Write unit tests and participate in code reviews via GitLab merge requests.
- Collaborate with hardware teams, QA, cloud platform engineers, mobile app teams, and service provider partners.
Years of Experience:
- 7 Years of Experience
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1. Embedded C Programming, Linux, Operating System (5+ years)
- Embedded C Programming.
- Linux.
- Operating System.
- 5+ years.
2. WiFi standards and Networking Domain Expertise (5+ years), basic understanding of 5G/LTE technology (high level)
- WiFi standards and Networking Domain Expertise.
- 5+ years.
- Basic understanding of 5G/LTE technology (high level).
3. Strong debugging and problem solving skills (5+ years)
- Strong debugging and problem solving skills.
- 5+ years.
TekWissen Group is an equal opportunity employer supporting workforce diversity.
Numbers & Facts
| Location | Englewood, CO |
| Industry | Computer/IT Services |
| Salary | $47.14 |
| Company Size | 100 to 499 employees |
| Year Founded | 2009 |
| Website | http://www.tekwissen.com/ |
About Company
WE THE TEKWISSEN PEOPLE
TekWissen offers you a broader portfolio of services, industry-leading solutions, and the meaningful innovations that give you greater flexibility and speed to respond to market dynamics, reduced costs and risk to improve enterprise performance, and increased productivity to enable growth.
To keep pace with global market demands, TekWissen keeps its finger on the pulse of change. Our organized approach to guiding a project from its inception to closure. Managing projects is becoming more and more important as we enter the digital era. To cope with the pace that this transition demands, a method is required to manage projects so they can yield quality work, while incorporating efficient use of time and resources.
Project involves identifying which quality standards are relevant to the project and determining how to satisfy them.
It is important to perform quality planning during the Planning Process and should be done alongside the other project planning processes because changes in the quality will likely require changes in the other planning processes, or the desired product quality may require a detailed risk analysis of an identified problem. It is important to remember that quality should be planned, designed, then built in, not added on after the fact.
Capabilities and accomplishments in one TekWissen business enhance the opportunity for success in the others. Put simply, TekWissen's unique combination of attributes promotes success.Skills
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