Pre-Sales Solution Consultant

About Stacuity

Stacuity is a fast-growing technology company disrupting the mobile connectivity market. We build and manage SaaS platforms for Mobile Network Operators, MVNOs, eSIM platform providers, Security and Connectivity providers.

Our technology is built around our own proprietary software defined core network platforms designed with API first and cloud-native architecture. We are enabling mobile services what hyperscale cloud providers pioneered for infrastructure: agility, scalability, innovation and a new way of thinking in a sector historically dominated by legacy systems.

Privately owned, well-funded and headquartered in the Isle of Man with a UK office, Stacuity is now in its fifth year and entering an exciting stage of global growth. We are looking for creative thinkers, innovators and problem-solvers to join an exceptional team with a flat structure, collaborative culture and belief that everyone should have a voice and the opportunity to shine.

As an employer, we value contribution over hierarchy. We offer flexibility, trust and the opportunity to make a genuine impact in a company that is growing quickly and doing things differently.

The Role

The Pre-Sales Solution Consultant will play a pivotal customer-facing role, working closely with the Sales team, customers, partners and internal technical stakeholders to shape, present and support the delivery of mobile network, IoT and enterprise data solutions.

This role combines technical discovery, solution architecture, customer demonstrations, bid support, commercial enablement and the handover to in-life delivery teams. The successful candidate will translate customer requirements into clear, credible and scalable solution designs, helping Stacuity win new business and build trusted long-term customer relationships.

Team: Sales

Reporting to: Head of Pre-Sales

Location: Remote with customer site visits and occasional visits to Isle of Man (HQ). Candidate can be based in the Isle of Man, United Kingdom or Jersey.

Role Basis: Permanent/ Full Time (40 hours)

Key responsibilities – what you will do:

Customer Discovery and Technical Qualification

Work with Sales to understand customer objectives, technical requirements, constraints and success criteria.

Qualify opportunities from a technical perspective and identify the best-fit Stacuity solution approach.

Act as a trusted technical advisor to prospects, customers and partners throughout the sales cycle.

Solution Design & Architecture 

Design tailored technical solutions covering mobile connectivity, IoT, enterprise data, interconnects, cloud networking and security considerations.

Produce solution blueprints, architecture diagrams, high-level designs, integration plans and supporting technical documentation.

Ensure proposed solutions align with relevant standards, security guidance, operational best practice and Stacuity product capabilities.

Support customer onboarding and go-live activities

Responsible for handover of customer solution into operations.

Demonstrations, Workshops and Proof-of-Concepts

Deliver compelling product demonstrations, technical presentations and customer workshops that clearly communicate value and capability.

Lead technical deep-dives, Q&A sessions and proof-of-concept activities for prospective and existing customers.

Translate complex technical topics into clear messages for both technical and non-technical audiences.

Bid, Proposal and Commercial Support

Lead the technical response for RFIs, RFPs and RFQs, working closely with Sales, Product, Development, Network Operations and Systems Operations.

Prepare technical content for proposals, statements of work and customer-facing solution documentation.

Identify technical risks, assumptions, dependencies and delivery considerations to support accurate commercial and contractual discussions.

Internal Collaboration and Knowledge Sharing

Work closely with Product Management, Engineering, Support and Operations to remain current on platform capabilities and roadmap developments.

Feed customer insights, technical requirements and market trends back into Product and Engineering teams.

Create and deliver internal enablement sessions to improve Sales team understanding of Stacuity products, technical differentiators and common customer use cases.

What you will bring:

Your Qualifications

Degree in Telecommunications Computer Science, Engineering, or a related discipline (Desirable)

Your Experience and Skills (Essential)

5+ years of experience in a pre-sale’s solution engineering, or technical sales role in the mobile network, IoT, or enterprise data space.

Strong understanding of mobile network technologies, IoT connectivity (NB-IoT, LTE-M,5G) and cloud-based enterprise solutions.

Strong Layer 3 / Layer 4 networking expertise: IP addressing and subnetting, routing (static and BGP), NAT, firewalling, transport-layer behaviour and troubleshooting with tools such as Wireshark / tcpdump

Demonstrate experience designing inter-operator or enterprise interconnects, including NNSs, IPsec site-to-site VPNs, GRE, and routed handoffs to customers or partners.

Excellent communication, presentation and stakeholder management skills

Proficiency in preparing technical documentation, solution proposals and customer-facing architecture material.

Ability to travel as required to meet customers and support sales engagements. 

Your Experience and Skills (Desirable)

Experience with API integrations, data analytics and enterprise networking solutions.

Highly Desirable: Working knowledge of telecom core network protocols and interfaces including GTP-C/GTP-U, Diameter-based charging and policy interfaces (Gy/Gx, DCCA), RADIUS authentication, S1/S5/S8/N-interfaces, and SS7 signalling. Understanding of PCRF/PCF, OCS, AAA frameworks, roaming, and IPX/GRX environments.

Security & cyber-security: solid grounding in general security principles such as, IAM, zero-trust, segmentation, encryption (IPsec / TLS), vulnerability management, logging / monitoring, and signaling-layer threats relevant to mobile networks. 

Familiarity with relevant standards and guidance (e.g. 3GPP, GSMA FS-series, NIST, ISO 27001). 

Experience with cloud networking (AWS / Azure / GCP)  VPCs, Transit Gateways, private interconnects, ExpressRoute / Direct Connect. 

Mobile Voice (2G/3G/VoLTE) services

Your Behaviours and Values

Strong problem-solving and analytical skills

Self-motivated and capable of managing multiple projects in a fast-paced environment

Strategic thinker with a customer-centric approach

Excellent communicator, able to bridge technical and non-technical audiences

Comfortable working remotely and across distributed teams

Values aligned with Stacuity’s culture: ambitious, innovative, dependable, and supportive

Able to work flexible hours when required to meet the needs of the role

Willing to undertake a DBS check

Right to work in the relevant jurisdiction, or ability to obtain appropriate work authorisation where applicable

What we offer:

Competitive salary based on experience

Flexible remote working arrangements

The opportunity to work on modern, cloud-native mobile connectivity technology with global market relevance.

A visible, customer-facing role with influence over technical direction, solution strategy and team culture.

A supportive, collaborative and highly skilled technical environment.

Ongoing professional development and growth opportunities.