Cornerstone
Solutions Architect
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Our Vision
Continue to be the leading UK mobile infrastructure services company.
Our Mission
To be famous for excellence in delivery, embracing transformation with our people and our customers at its heart.
About Us
We are at an exciting time in our company’s development. We've come a long way since we were first formed in 2012. From the rollout of new technologies and managing complex legislation affecting the industry, we are leading the conversation on innovation and developing sharper solutions to serve our customers better. We collaborate as a team to meet the high standards expected of us and demand the best of ourselves through our values.
Main Purpose of Role
Cornerstone is the UK’s leading mobile and digital infrastructure provider, managing over 15,700 sites and holding 35% of the market. Our Mission is to be famous for excellence in delivery, embracing transformation with our people and our customers at its heart. The Mobile Telecoms Solution Architect develops and sells infrastructure solutions to mobile network operators on behalf of a telecommunications tower company. The role translates operator requirements into technically credible, commercially viable, and deployable tower, site, and connectivity solutions. It works across sales, engineering, property, construction, operations, and commercial teams to shape opportunities, respond to tenders, and ensure that proposed solutions meet operator, regulatory, and technical requirements.
Key Roles and Responsibilities
Scope
- Engage with mobile network operators to understand coverage, capacity, densification, rollout, resilience, and site-sharing requirements.
- Lead technical discoveries for new-build, co-location, upgrade, infill, and network-modernization opportunities.
- Translate operator requirements into tower, rooftop, monopole, street works, small-cell, and in-building coverage solutions.
- Develop technically compliant solutions using existing sites, new sites, and alternative infrastructure options.
- Assess site feasibility, structural loading, compound capacity, access, power, transmission, planning, and landlord constraints.
- Review operator radio-planning information, including antenna configurations, equipment weights, azimuths, heights, sectors, and technology requirements.
- Determine whether existing infrastructure can accommodate proposed operator equipment and future expansion.
- Develop co-location and multi-operator solutions that optimize infrastructure utilization while maintaining safety, performance, and maintainability.
- Work with structural engineers to assess tower loading, wind loading, foundation capacity, and equipment-mounting requirements.
- Define requirements for cabinets, shelters, equipment platforms, cable ladders, feeders, antenna mounts, power systems, earthing, and security.
- Coordinate with transmission and connectivity specialists where sites require fiber, microwave, backhaul, or other network-access services.
- Support the development of distributed antenna systems, small-cell infrastructure, and neutral-host solutions, where relevant.
- Prepare technical responses to operator tenders, framework competitions, requests for information, and requests for proposals.
- Produce solution descriptions, site schedules, technical assumptions, design specifications, bills of materials, and cost estimates.
- Explain the technical, commercial, and operational advantages of proposed infrastructure solutions to operator stakeholders.
- Identify deviations, exclusions, dependencies, risks, and opportunities in customer requirements.
- Work with commercial teams to develop pricing models, business cases, and customer proposals.
- Support negotiations concerning site access, build scope, delivery responsibilities, service levels, and change control.
- Ensure proposed solutions comply with relevant safety, planning, structural, environmental, and telecommunications standards.
- Provide technical assurance through design, construction, commissioning, and handover.
- Support mobilization of new contracts, including site surveys, design standards, governance processes, and delivery assumptions.
- Maintain reusable solution patterns, standard designs, cost models, technical libraries, and lessons learned.
- Build trusted relationships with operator engineering, rollout, procurement, property, and commercial teams.
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Typical Deliverables
- Technical solution proposals.
- Operator requirement assessments.
- Co-location feasibility assessments.
- Site and infrastructure schedules.
- Tower and rooftop loading assessments.
- Concept designs and standard arrangement drawings.
- Technical scope documents.
- Bills of materials.
- Cost and pricing input.
- Tender and RFP responses.
- Technical assumptions and exclusions.
- Risk and dependency registers.
- Implementation and mobilization plans.
- Design governance documentation.
- Site survey and construction requirements.
- Acceptance and handover documentation.
- Change-control assessments.
Role Expertise
The successful candidate will combine technical telecommunications knowledge with strong solution-selling capability. They will understand that mobile network operators are buying not simply towers, but reliable, scalable, and compliant infrastructure that enables network performance, rapid deployment, and long-term operational efficiency. They should be able to balance:
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- Operator coverage and capacity needs.
- Structural and physical site constraints.
- Deployment speed and planning risk.
- Infrastructure sharing and future expansion.
- Capital expenditure and operating expenditure.
- Technical compliance and commercial competitiveness.
- Customer-specific requirements and standardized tower-company designs.
Person Specification (Expertise)
Required (minimum) Knowledge, Skills, and Experience
- Experience in mobile telecommunications infrastructure, tower companies, managed networks, network rollout, or telecoms construction.
- Understanding of mobile network deployment and the infrastructure required by 4G and 5G operators.
- Experience with macro sites, rooftop sites, street works, small cells, or co-location.
- Ability to interpret operator technical requirements, radio-planning information, and equipment schedules.
- Understanding of structural loading, antenna mounting, equipment installation, power, access, and site constraints.
- Experience developing customer-facing technical solutions, bids, or tender responses.
- Commercial awareness and the ability to convert technical scope into costed proposals.
- Experience working with mobile network operators, infrastructure providers, contractors, and equipment suppliers.
Cornerstone Values
Operate and uphold Cornerstones’ values of Everyone Matters, Innovate to Elevate, Do the Right Thing, and Customer First by being Professional, Respectful, and Open.
Our Commitment to Equity, Diversity, and Inclusion (EDI)
Our commitment to Equity, Diversity, and Inclusion (EDI) is fundamental to our success. We strive to cultivate an inclusive environment where every employee feels valued, respected, and empowered. By embracing unique perspectives and experiences, we drive innovation and drive our organization forward. Therefore, we recognize the importance of welcoming applications from candidates of all backgrounds.
We want to ensure everyone is able to present their best self throughout the recruitment process, so if you require any adjustments, please let us know.
If this role is of interest to you and you would like to find out more, please do apply with an up-to-date version of your CV.
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