Senior Computer Application Support Specialist

Senior Computer Application Support Specialist Location: Ottawa, ON Client: Department of National Defence (DND) Clearance: Secret (minimum), Top Secret preferred About the Role This role will support the Digital Services Group (DSG) as part of a major modernization and digital transformation initiative. The program is guided by Special Advisors responsible for strategic planning, governance, performance reporting, and operational readiness. The technical resources will work within the same environment, providing the hands‑on technical execution, systems support, troubleshooting, and secure implementation capacity required to operationalize the strategic direction set by the advisory team. General Responsibilities: Coordinating emerging technology application specifications Serving as a user support liaison between vendors, IT technicians, and end‑user departments Providing training expertise and direction in emerging technology or special application support Emulating or reproducing technical problems encountered by users Providing advice and training to users in response to identified difficulties Recommending and implementing complex security requirements Providing business systems, network, and Internet support to users Collecting, organizing, and maintaining a problems/solutions log Verifying accuracy and completeness of work performed Designing, configuring, and deploying server‑based file systems and applications Identifying, researching, and resolving complex technical problems Recommending new products or processes to enhance business activities Planning or participating in department‑wide system upgrades

ESSENTIAL REQUIREMENTS All candidates must meet the following mandatory criteria: Education Certificate, diploma, or degree in Computer Science or a rela ted field from a recognized Canadian post‑secondary institution. Experience Minimum 24 months of relevant experience performing duties aligned to the Senior Technical Support Specialist category. ADDITIONAL REQUIREMENTS Candidates must also demonstrate experience in broad enterprise IT application support , including: Providing Tier 2/3 support for business systems, networks, and enterprise applications Troubleshooting connectivity, performance, and application issues Supporting application deployments, configurations, and updates Coordinating with vendors and internal teams to resolve technical incidents Participating in system migrations, upgrades, and new technology rollouts Configuring or supporting server‑based file systems, Active Directory, Group Policy, or cloud services Maintaining ticketing systems, problem/solution logs, and knowledge base articles Reproducing user‑reported issues and validating fixes in test environments Providing user training on new systems, tools, or processes Ideal Candidate Profile Strong understanding of the defence sector Experience supporting classified or secure environments Excellent communication skills with both technical and non‑technical users Ability to work independently in high‑security, high‑availability environments