Technical Design Authority
Read straight from GTT's careers page, verified 1d ago.Seekless can tailor your résumé to it.
Seekless can write your résumé for this posting first.
Before you apply
LocationSofia
Typefull-time
SeniorityLead
Company size1,001–5,000 people
PostedSep 11, 2026 · 1mo ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
Develop design solutions 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
Working knowledge of routing, switching & security protocols with hands on experience implementing such technologies
Multi-protocol data network support experience with strong knowledge of routing and switching
Experience supporting a client's complete network deployment lifecycle
Demonstrated ability to perform service testing
Operative knowledge of VPN technologies (SD-WAN, MPLS, IPSec, GRE, TLS)
Operative knowledge of SDN and NFV technologies
Operative knowledge of Wireless Technologies (802.11)
Operative knowledge of LTE/3/4/5G Technologies
Operative knowledge of 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
Industry standard Network & Security Certifications
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
Skills
Juniper
Cisco
Fortinet
Palo Alto
VeloCloud
Silver Peak
VPN
SD-WAN
MPLS
IPSec
GRE
TLS
SDN
NFV
802.11
LTE
3G
4G
5G
xDSL
Cable
EoC
Fiber
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
Legal
GTT is committed to inclusion, fairness, and equal opportunity. We encourage applications from candidates of all backgrounds and experiences.