About this Opportunity

Are you a technically curious problem solver who enjoys getting into the details and making complex systems work seamlessly behind the scenes?

Execulink

Telecom is looking for a Systems Administrator to join our team and help support the platforms, infrastructure, and services that keep our customers connected every day. This is a chance to work at the heart of the systems and services that keep our customers connected, supporting everything from voice platforms and network infrastructure to automation, troubleshooting, and service development. If you love solving complex problems, digging into the details, and making technology work better in the real world, this role will keep you engaged.

You’ll get exposure to a wide range of technologies and hands-on responsibility across SIP, TDM, Linux, virtualization, monitoring, and vendor integrations. Every day brings something different — from diagnosing issues and improving performance to helping launch and support new services. For someone who wants variety, challenge, and the chance to build deep technical expertise, this is an exciting opportunity to grow in a role with real impact.

Position Details: Woodstock, ON

Permanent, Full-Time

On-site Hybrid

Required 3 days in office each week (Tuesday, Wednesday and Thursday)

Hours of Work Monday to Friday 8:30am – 5:00pm

Overnight maintenance, on-call support coverage and traveling to Data Centre & Central Offices throughout Southwestern Ontario including the GTA is a requirement for this position Coordinate coverage with other staff when their duties require off-site work

Will support on-call staff by offering coverage when they are not able to provide it Responsibilities: Responsible for the design, configuration, implementation and ongoing support of systems equipment and services that create and support the products that Execulink offers

Responsible for proper design, installation and maintenance of all systems infrastructure and current products and services

Troubleshooting, diagnosing and resolving hardware and software issues reported from staff or from monitoring systems, acting as the final point of escalation for the business

Pursuing support with third parties as required





Performing on-site work when required at any location where supported equipment is located

Reviewing/creating documentation including design drawings and training other staff to work with the tools and services provided

Software updates of relevant systems

Development of new services and technologies

Develop in-depth understanding of third-party tools, and work around gaps in functionality as required

Administer and maintain the Metaswitch voice platform (call control, media gateways and application servers) supporting both SIP-based and traditional TDM voice services

Provision, troubleshoot and maintain SIP trunks, session border controllers, and SIP- and MGCP-based customer endpoints and integrated access devices

Maintain TDM interconnects and trunking (SS7, PRI/DS1) with carriers and legacy equipment, and support migration of TDM services to SIP

Support carrier voice obligations including 911/E911 routing, local number portability and number inventory, and caller ID/CNAM

Ensure accurate call detail record (CDR) collection and delivery to billing and fraud-monitoring systems

Perform voice quality and call-flow analysis using SIP traces, packet captures and platform diagnostics

This position will have access to confidential customer data

Other duties as assigned HR Responsibilities include: None Qualifications: College or University is preferred. Demonstrable significant experience may be considered with minimum of High School Diploma

Valid Class G Driver’s License and access to reliable transportation

Requires education and/or experience demonstrating a capacity to learn complex concepts and apply them in real-world situations

CompTIA Linux+ certification required

Red Hat Certified System Administrator (RHCSA) preferred

Certified OpenStack Administrator (COA) preferred

Extensive experience with Linux KVM preferred

Experience with Ansible automation preferred





Experience with SNMP-based monitoring systems including Nagios, Zabbix, MRTG

Experience with SIP-based and TDM voice services required

Experience administering a carrier voice platform required; Metaswitch experience strongly preferred

Project and vendor management experience preferred

Experience supporting multi-vendor technologies across edge, access and core networks preferred

Successful candidates are required to complete clear criminal background screening Required Skills & Abilities: In-depth knowledge of all vendors utilized, including but not limited to Metaswitch, OpenStack, Polycom, Cisco, and customer-premise equipment vendors such as Calix and Arris

In-depth knowledge of all technologies utilized, including but not limited to SIP, MGCP, TDM (SS7, PRI), Multicast, HLS, DASH, MoCA, virtualization (KVM), SMTP, DNS, DHCP, Ethernet, Wi-Fi access points, ACLs, PPP-based services and TCP/IP

Working knowledge of access and core networking (optical, OSPF, BGP) as it pertains to the delivery of services

Ability to learn new products and technologies from new vendors rapidly

Responsible for maintaining a broad level of hardware, software, cloud and network security measures knowledge covering all equipment and technologies managed by the department

Responsible for maintaining a high level of knowledge in specific areas as designated by the Supervisor and Manager

Network diagramming proficiency

Share responsibility for optimizations to control costs and maximize network performance

Expected to highlight new technologies that may benefit the business

Excellent troubleshooting skills

Exceptional knowledge of vendor-provided tools

Demonstrated ability to document all types of work performed as Standard Operating Procedures

Analysis of packet captures, SIP traces and other in-depth data at the protocol level

Requires good communication skills interacting with persons with various levels of technical skills and knowledge What We Offer: Internal growth and learning opportunities

Challenging and rewarding place to work

Comprehensive health and benefits

Competitive starting rates

Employee discount plan on Execulink services

RRSP matching program

Tuition reimbursement

📌 Systems Administrator (Woodstock)
🏢 Execulink Telecom
📍 Woodstock