Embedded Software Engineer

Job Title: Embedded Software Engineer


Location: Andover, MA


Position Type: Contract


Duration: 6 / 12 Month


Work Type: Onsite


Rate: Pay range offered to a successful candidate will be based on several factors, including the candidate's education, work experience, work location, specific job duties, certifications, etc.



Job Description:

Key Responsibilities:


As an Embedded Software Engineer - Connectivity, you will be responsible for building and sustaining the connectivity layer between embedded medical devices and cloud platforms.
This includes enabling reliable data exchange, remote monitoring, and command/control capabilities in a mission-critical, regulated environment.
You will work at the intersection of embedded firmware, networking, and cloud integration, ensuring high reliability, performance, and compliance of connectivity features across the product lifecycle.



Key Responsibilities
In this role you will play a key role in:
o Designing and developing device-to-cloud connectivity modules for embedded systems
o Implementing and maintaining MQTT-based communication for telemetry, alerts, and command/control flows
o Developing embedded software using C++ on RTOS platforms (QNX or similar)
o Integrating and optimizing networking stacks (TCP/IP, sockets, secure protocols)
o Ensuring robustness, fault tolerance, and predictable behavior in real-time environments
o Collaborating with cloud, firmware, and QA/RA teams for end-to-end solution delivery
o Supporting debugging of field issues (connectivity drops, latency, data inconsistencies) across device and cloud layers
o Contributing to design documentation, traceability, and compliance artifacts (aligned with regulated environments)


What are the Mandatory skills and skill proficiencies required for this position?

Required Skills
o 8+ years of experience in embedded software development (C++)
o Strong experience with embedded networking (TCP/IP, sockets, protocols)
o Hands-on experience with MQTT or similar messaging protocols
o Experience working with RTOS environments (QNX, VxWorks, Embedded Linux, etc.)
o Solid debugging experience across system-level issues (device + network + backend interactions)
o Strong problem-solving, communication, and cross-functional collaboration skills


What are the Optional skills and skill proficiencies for this position?

Preferred Qualifications
• Experience in medical devices or other regulated domains (IEC 62304 exposure is a plus)
• Familiarity with secure communication (TLS, certificates, device authentication)
• Experience integrating embedded devices with Cellular / Wi-Fi routers for IoT
• Experience with device-cloud architecture, IoT platforms, or remote monitoring systems
• Exposure to system integration, verification & validation activities
• Experience working in multi-repo embedded environments and CI/CD pipelines
• Experience with QNX-based platforms (or similar safety-critical RTOS)
• Exposure to BLE, IoT gateways, or edge compute patterns
• Experience troubleshooting real-world deployment / field connectivity issues

ABOUT Ztek:


Website:


Ztek Consulting Inc is a minority- and woman-owned business enterprise that leverages a unique blend of human talent, machine learning algorithms, and artificial intelligence to provide customized talent management solutions for clients. Ztek's diversity-focused hiring models have proven successful, particularly in hiring veterans. The company's veteran-focused hiring and deployment program, Z-V.E.T, matches skilled veterans with clients' needs in various areas.


Disclaimer:


Ztek is an Equal Opportunity Employer and prohibits any kind of unlawful discrimination and harassment. Ztek is committed to the principle of equal employment opportunity for all employees and to providing employees with a work environment free of discrimination and harassment on the basis of race, color, religion or belief, national origin, citizenship, social or ethnic origin, sex, age, physical or mental disability, veteran status, marital status, domestic partner status, sexual orientation, or any other status protected by the statutes, rules, and regulations in the locations where it operates. If you are an individual with a disability and need a reasonable accommodation to assist with your job search or application for employment, please contact us at View email address on click.appcast.io Please indicate the specifics of the assistance needed. Ztek encourages all interested and qualified candidates to apply for employment opportunities. Ztek does not discriminate against applicants based on citizenship status, immigration status, or national origin, in accordance with 8 U.S.C. 1324b.