Position Description The Senior OSS Technical Architect is an experienced OSS solution architect and functional SME supporting a major OSS transformation program within a multi-vendor telecommunications setting. Acting as the functional bridge between our operational teams and the implementation partner delivering the OSS platform, this architect translates High Level Designs (HLDs) and operational needs into the detailed designs, requirements, and user stories that drive successful delivery of OSS capabilities.

Your future duties and responsibilities

Key Responsibilities

Solution Architecture &

- Design

- Act as the functional bridge between operational teams and the OSS implementation partner.
- Translate HLDs and operational needs into detailed requirements documents, Low Level Designs

(LLDs), Interface Design Documents (IDDs), workflow diagrams, and data models.
- Develop functional specifications and user stories that guide implementation and delivery.
- Ensure OSS designs align with multi vendor architecture standards and operational requirements.

OSS Process &
- Domain Enablement

Provide domain expertise across the core OSS process areas:
- Inventory: discovery, reconciliation, zero touch provisioning (ZTP), and templates.
- Fault / Incident Management: alarm ingestion, mapping, correlation, and root cause analysis (RCA).
- Performance Management: KPI calculation for Fiber and Fixed Wireless Access (FWA), trend analysis,

and anomaly detection.
- Configuration Management: templates, golden configuration, and version control.

Support EMS/NMS integration across a multi vendor estate, guiding the management of devices from vendors such as Ericsson, Huawei, Nokia, and Cisco delivering residential FTTH and FWA services. Transformation &
- Delivery

- Lead and support legacy OSS transformation initiatives, breaking transformation work into iterative,

incrementally deliverable outcomes.
- Facilitate workshops and manage stakeholders across operational and delivery teams.
- Produce clear, high quality documentation supporting design, requirements, and delivery.

Cross Functional Collaboration &
- Ways of Working

- Work directly with operational teams including Network Engineering, NOC, SRE, and Field Operations.
- Operate within an Agile delivery model — sprint planning,



backlog refinement, stand ups, and retrospectives — using JIRA to manage stories and delivery.

Required Qualifications To Be Successful In This Role

- 10+ years of telecommunications OSS experience, including solution architecture or functional SME

roles.
- Deep process knowledge across the core OSS domains described above: inventory, fault/incident

management, performance management, and configuration management.
- Hands on experience with EMS/NMS integration in a multi-vendor environment (e.g., Ericsson,

Huawei, Nokia, Cisco) supporting residential FTTH and FWA.
- Proven experience developing HLDs, LLDs, IDDs, functional specifications, and requirements

documents.
- Experience delivering legacy OSS transformations.
- Experience working directly with operational teams such as Network Engineering, NOC, SRE, and Field

Operations.
- Strong workshop facilitation, stakeholder management, and written documentation skills.
- Solid experience working within Agile delivery models.

Preferred Qualifications

- Familiarity with TM Forum Open APIs and information models.
- TOGAF or equivalent architecture certification.
- Experience with more than one commercial OSS platform.
- Exposure to 5G / FWA network technologies.
- Experience with cloud platforms, CI/CD pipelines, or data pipelines in an OSS context.
- Experience applying AI/ML to network operations use cases (e.g., anomaly detection, alarm noise

reduction).

Success Measures

- High quality, implementable OSS designs that accurately reflect operational needs.
- Successful translation of HLDs into detailed, delivery ready LLDs, IDDs, and requirements.
- Effective collaboration between operational teams and the implementation partner.
- Smooth, predictable delivery of OSS transformation outcomes through Agile practices.

CGI is providing a reasonable estimate of the pay range for this role.



The determination of this range includes factors such as skill set level, geographic market, experience and training, and licenses and certifications. Compensation decisions depend on the facts and circumstances of each case. A reasonable estimate of the current range is $80,000–$130,000. This role is an existing vacancy.

Together, as owners, let’s turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

At CGI, we value the strength that diversity brings and are committed to fostering a workplace where everyone belongs. We collaborate with our clients to build more inclusive communities and empower all CGI partners to thrive. As an equal-opportunity employer, being able to perform your best during the recruitment process is important to us. If you require an accommodation, please inform your recruiter.

That same commitment to fairness extends to how we use technology. To support our recruitment team, AI tools may be used to help assess applications though they never replace human judgement. All hiring decisions remain entirely in the hands of our recruitment professionals.

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Come join our team—one of the largest IT and business consulting services firms in the world.

📌 OSS Technical Architect (Toronto)
🏢 CGI
📍 Toronto