Technical Design Authority

Location: Sofia

Time Type: Full time

Job Description

Role Summary:

The Technical Design Authority is an individual contributor role working in a post-sales design and implementation environment interacting with external client technical leads and internal stakeholders. The individual must possess extensive knowledge in internetworking technologies offered within GTT’s product portfolio with an appetite for continuous learning and development to meet business needs. In addition, the successful candidate will have experience with the Juniper, Cisco, Fortinet, Palo Alto, VeloCloud & Silver Peak products.

Job Scope/Supervision:

Design Engineering team works closely with Network Architecture, Solution’s Team (Sales Engineering), Project Management, Technical Management, Network Provisioning & Service Assurance ensuring client solutions are designed, implemented and performing per client expectations prior to seamless handover post Pilot/POC acceptance into the BAU phase of project deployment.

Duties and Responsibilities:

Include but are not limited to:

• Network design and deployment of multi-platform solutions for managed service clients
• Technical lead during project planning, management and implementation of client solutions (Pilot & POC deployments).
• Participate in project calls with clients to review and capture low level design requirements
• Directly interface with clients and project management teams supporting solution development and implementation.
• Act as a technical point of contact, within the Managed Services Team for Service Delivery Engineering, Operations, Product and Project Management.
• Technical escalation during project deployment.
• Assist in the identification and resolution of data or voice connectivity issues during project deployment.
• Interact with additional Engineering teams on network augments, improvements and other technical driven initiatives.
• Template creation of new hardware introduce to our managed equipment portfolio

Required Experience/Qualifications:

• Develop design solutions (physical and logical) that follow engineering best practices
• Demonstrated knowledge of Juniper, Cisco, Fortinet, Palo Alto, VeloCloud & Silver Peak design concepts, implementation and support
• Multi-platform design, implementation and support experience
• Demonstrated expertise with data, security and voice services
• Has a working knowledge of routing, switching & security protocols with hands on experience implementing such technologies
• Multi-protocol data network support experience with a strong knowledge of routing and switching
• Experience supporting a client’s complete network deployment lifecycle
• Demonstrated ability to perform service testing
• Operative knowledge of the ensuing communication technologies:
• VPN technologies (SD-WAN, MPLS, IPSec, GRE, TLS)
• SDN and NFV technologies
• Wireless Technologies (802.11)
• LTE/3/4/5G Technologies
• Broadband (xDSL, Cable, EoC and Fiber)
• Must have fundamental understanding of project management principles
• Must have customer-oriented disposition
• Must have excellent written, interpersonal and presentation skills

Desirable Experience/Qualifications:

• Industry standard Network & Security Certifications (Managed Data & Security focused on present-day technologies)
• Highly organized
• Pays close attention to detail
• Possesses sound problem-solving skills
• Able to conduct independent research and present solutions
• Demonstrates initiative
• Is a team player
• Self-motivated.

Hours/Travel/Shift:

Local business hours with expectation to work out of hours if necessary, during project deployment in line with client specific maintenance windows and transition plan

Why GTT

• Adaptive mindset: A fast‑moving, start‑up‑style environment that encourages learning and innovation
• Collective impact: Close collaboration with product, engineering, and operations teams
• Customer ownership: Delivering stable, secure network platforms customers depend on

You’ll join a highly capable team where technical expertise, accountability, and continuous improvement are valued.

Our Commitment

GTT is committed to inclusion, fairness, and equal opportunity. We encourage applications from candidates of all backgrounds and experiences.

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