Senior Infrastructure Engineer

JSI Telecom is seeking a highly motivated and experienced Senior Infrastructure Engineer (with strong Networking) to design, implement, and support complex enterprise and customer infrastructure solutions. The successful candidate will combine deep technical expertise with strong analytical and communication skills to translate complex and often ambiguous business and technical requirements into reliable, production-ready solutions.

This role requires extensive experience with enterprise data center infrastructure, networking, virtualization, systems integration and cloud computing. The ideal candidate will be comfortable working across engineering, production, sales, and customer-facing teams to deliver highly available, secure, and scalable solutions.

Responsibilities

• Lead infrastructure projects involving hardware deployments, system integration, network architecture, and delivery of enterprise solutions that meet corporate and customer requirements.
• Collaborate with Systems Engineering, Sales, Production, and Technical Support teams to translate technical requirements into validated, production-ready implementations.
• Own technical requirements, feature development, hardware qualification, and platform enhancements while driving the adoption of new technologies and operational processes.
• Develop implementation standards, configuration documentation, and knowledge transfer materials to support internal teams, customers, and ongoing operations.
• Provide Tier 3 technical leadership for complex infrastructure issues, including hardware, networking, virtualization, and operating system troubleshooting.
• Drive continuous improvement through automation, standardization, process optimization, and mentoring of technical teams.

Required Qualifications

• Strong experience with enterprise data center infrastructure.
• Hands-on experience with enterprise servers, networking, and storage platforms.
• Ability to troubleshoot complex infrastructure problems across hardware, networking, virtualization, and operating systems.
• Strong customer-facing skills with the ability to communicate technical concepts to both technical and non-technical stakeholders.
• Experience with scripting and automation to improve deployment, configuration, and operational processes.
• Ability to obtain and maintain a Top-Secret Security Clearance.
• Willingness to travel occasionally as required.

Preferred Education & Certifications

• Engineering or Computer Science degree
• 10+ years of networking experience
• Cisco CCNA, CCNP, CCIE certifications

Technical Expertise

• Layer 2 networking Dell Enterprise SONiC, Cisco IOS/NX-OS VLT, VPC, VRRP)
• Layer 3 networking (CIDR, BGP, Anycast, Routed Leaf Spine)
• Cloud Computing & Networking (AWS/Azure)
• Firewalls (WAF, IPSec/SSL VPN, policy enforcement, TLS, segmentation, L4/L7, IDS/IPS)
• Kubernetes (Calico CNI, Cilium CNI, NCP, Istio Service Mesh, Envoy Gateway)
• Dell PowerEdge Servers (R7x0, T6x0), iDRAC
• Storage: S3 (Ceph, AWS), SAN (Unity XT), NAS (Isilon Powerscale)
• IaC (Terraform, Ansible), CI/CD pipelines, TDD, automated deployment
• Linux and Windows server administration
• Coding: Python, PowerShell, Ruby, C#
• HA & Disaster Recovery (RPO/RTO, replication)

About JSI

JSI is built on purpose, that of making a difference in the world.

Founded in 1979, this privately-owned technology company is the North American leader in designing and developing acquisition, collection and analysis solutions for law enforcement and intelligence communities.

With 4Sight – JSI’s single, unified, product suite – customers can combine any number of disparate data sources into a highly intuitive, visually-focused platform. The result? JSI’s customers spend less time working with data and more time seeing patterns, understanding trends, and gaining perspective (and making the world a safer place).

With over 400 employees and a strong, growing global presence in Canada, the U.S., Australia, and Germany, JSI is not only the dominant player in its industry, it is also known for its fun, high-performing, purpose-driven corporate culture.

In accordance with the Accessibility for Ontarians with Disabilities Act (AODA), JSI will provide accommodation-accessible formats, and communication supports for the interview process upon request.

Our hiring process does not use artificial intelligence (AI) tools for screening, assessing, or selecting applicants. All applications are reviewed and evaluated by our HR team.