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Added 24 mins ago
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Full-time
Job Title: Senior Cryptographic Protocol Engineer
Added 24 mins ago
Senior Mine Engineer
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Added 24 mins ago
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Senior Principal Software Engineer, R&DOverview
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Added 2 hours ago
Senior P&C / SCADA Engineer
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Added 3 hours ago
Power Electronics Controls Designer
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$91,200 to $136,800 CAD / year
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Added 3 hours ago
Senior P&C / SCADA Engineer
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Photon-IV

Senior Software Engineer- SATCOM

Canada

Job type: Full-time
Experience: 5+ years as a Software developer with startup scaling experience
Posting language: English
Posted: Sep 27, 2026

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Original job description

About the job

Company Description

Photon‑IV is a Canadian technology company specializing in intelligent connectivity between Non‑Terrestrial Networks and Terrestrial Networks for defense, aerospace, and advanced communications. The team integrates wireless engineering with AI/ML to enable seamless handover between LEO satellites and ground networks.

Joining the company means contributing to cutting-edge communication systems that support critical missions. Team members collaborate in a multidisciplinary environment that values innovation, reliability, and technical excellence.

Role Description

The Senior Software Engineer is a contract, hybrid role based in Canada, with a mix of on-site collaboration and work-from-home flexibility. This role is responsible for leading the design, development, and optimization of software that enables intelligent connectivity between satellite and terrestrial networks. Day-to-day activities include architecting back-end systems, implementing robust SATCOM communication services, reviewing and refining code, and guiding the technical direction of software projects. The lead engineer collaborates with wireless engineers, AI/ML specialists, and product stakeholders to translate mission requirements into scalable software solutions. Additional responsibilities include mentoring team members, ensuring software quality and security, and contributing to technical documentation and system integration efforts.

Qualifications

Located in Canada. Canadian citizen or permanent resident, eligible for Canadian Controlled Goods Program registration and a Government of Canada security clearance

5+ years as a Software developer with startup scaling experience
Deep fundamentals in distributed systems, concurrency, networking and software architecture. Expert in at least one of C++, Go or Python, and able to work across all three
Hands-on experience with telecom or network software at the protocol level: RAN, core, SATCOM, or wireless. Comfortable turning a 3GPP or O-RAN specification into shipping code
Track record of shipping to customers with formal acceptance criteria: defence, government, telecom operators or safety-critical industries
Production experience with Linux, Docker, Kubernetes and CI/CD pipelines you designed or owned
Clear written and verbal communication with non-engineers, including customers and program officers

Preferred qualifications

Direct experience developing O-RAN xApps, or with RIC platforms such as ONAP, OSC RIC, or vendor SMO products
LEO/NTN or SATCOM background: link budgets, handover logic, RSRP/SINR measurement, Doppler and latency handling
Deploying ML inference in production, especially on edge devices, with attention to latency and resource budgets
Observability and reliability engineering: Prometheus, Grafana, OpenTelemetry, SLO-driven operations
Experience on programs under Canadian Controlled Goods, ITAR, or similar export-control regimes
Bachelor's or Master's in Computer Science, Electrical or Computer Engineering, or equivalent practical experience

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More about this job

Responsibilities

Lead the design, development, and optimization of software connecting satellite and terrestrial networks, including back-end systems and SATCOM communication services. Guide technical direction, review code, mentor team members, and collaborate across engineering and product teams to deliver secure, reliable solutions and support documentation and system integration.

Requirements

Requires at least five years of software development experience, strong fundamentals in distributed systems, concurrency, networking, and architecture, and expert proficiency in at least one of C++, Go, or Python. Candidates must be in Canada and eligible for Controlled Goods Program registration and a Government of Canada security clearance, with protocol-level telecom or network software experience and production experience using Linux, Docker, Kubernetes, and CI/CD.

Skills

Software Architecture
Distributed Systems
Concurrency
Networking
C++
Go
Python
Telecommunications Protocols
SATCOM
RAN
O-RAN
Linux
Docker
Kubernetes
CI/CD
Technical Leadership

Visa sponsorship

Not detected in the job text

Keywords

C++
Go
Python
Distributed Systems
Concurrency
Networking
Software Architecture
SATCOM
Satellite Communications
Non-Terrestrial Networks
Terrestrial Networks
LEO Satellites
RAN
3GPP
O-RAN
xApps
RIC Platforms
ONAP
OSC RIC
Linux
Docker
Kubernetes
CI/CD
Machine Learning
Edge Inference
Prometheus
Grafana
OpenTelemetry
Controlled Goods Program
Government Security Clearance

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