Embedded Software Engineer - ADV

Job#: 3046097Job Description:Senior Embedded Wireless Firmware EngineerLocation: Onsite, Monday-Friday (9:00 AM - 5:00 PM)Employment Type: ContractPay Rate: $55-$60/hourEducation: Bachelor's Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field preferredOverviewWe are seeking a Senior Embedded Wireless Firmware Engineer to support the design and development of next-generation connected devices and IoT solutions. This role requires expertise in embedded firmware development, wireless communications, real-time operating systems, and secure connected products.The ideal candidate will have hands-on experience developing firmware for low-power wireless devices and collaborating with cross-functional engineering teams to deliver reliable, production-ready solutions.Key ResponsibilitiesDesign, develop, test, and maintain embedded firmware for wireless connected productsImplement and optimize bare-metal and RTOS-based firmware architecturesDevelop low-power embedded solutions for battery-operated devicesDesign and support bootloaders and firmware update systemsDevelop over-the-air (OTA) firmware update capabilitiesDebug firmware and hardware issues using industry-standard toolsCollaborate with hardware, RF, systems, and test engineersDocument software architecture, design decisions, and development processesSupport product testing, validation, certification, and release activitiesRequired QualificationsEmbedded Firmware DevelopmentStrong programming experience in Embedded CExperience with ARM Cortex-M microcontrollersExpertise with bare-metal and RTOS-based firmware developmentExperience with interrupt-driven architecturesStrong understanding of:DMATimersWatchdogsGPIOUARTSPII2CExperience developing bootloaders and firmware update mechanismsExperience using J-Link, SWD, GDB, or similar debugging toolsKnowledge of low-power firmware design techniquesWireless CommunicationsExperience developing wireless embedded productsExperience with one or more of the following:Z-WaveProprietary sub-GHz wireless protocolsMesh networkingLow-power wireless sensor networksUnderstanding of RF coexistence conceptsExperience implementing OTA updates over wireless networksSecuritySecure bootFirmware signingKey provisioningEncrypted OTA updatesSecure pairing and authenticationReplay protectionSecure credential storagePreferred QualificationsWireless Platform ExperienceExperience with:Silicon Labs EFR32 devicesSimplicity StudioSilicon Labs Gecko SDKSilicon Labs wireless stack APIsZ-Wave 700/800 SeriesSmartStartS2 SecurityOTA DFU mechanismsWireless packet analysis and tracing toolsRF Engineering KnowledgePreferred experience with:Antenna and PCB layout awarenessRF sensitivity optimizationLink-budget analysisSub-GHz propagation behaviorEMC/EMI troubleshootingFCC/CE certification supportSpectrum analyzers and VNAsSoftware Engineering PracticesModular firmware architecturesState-machine designEvent-driven systemsHardware abstraction layersGit workflowsCI/CD pipelinesAutomated testing frameworksStrong documentation practicesSoft SkillsAbility to work independently with minimal supervisionStrong communication and collaboration skillsComfortable working closely with hardware and systems engineersStrong organizational and documentation habitsAbility to assess technical risk and communicate realistic timelinesProven problem-solving and troubleshooting skillsIdeal BackgroundCandidates with experience developing wireless products for smart home, building automation, industrial, infrastructure, HVAC, or IoT environments will be highly regarded. Experience bringing connected products from concept through production is strongly preferred.Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at https://www.apexsystems.com/privacy-policy Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Everforth Apex team member can provide.Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.© 2026 Everforth, Inc. All rights reserved.Everforth Apex Systems is part of the Commercial Segment of Everforth, Inc.NYSE: EFOR4400 Cox RoadSuite 200Glen Allen, Virginia 23060Everforth Apex is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex.