
Solutions Architect, rSIM
Remote, USA.
We are looking for a technically astute, commercially aware Solutions Architect support the growth of eSIM and rSIM in North America, CSL’s advanced SIM technologies designed for resilient, standards-based IoT connectivity. This remote-based, customer-facing role works across wireless carriers, channel partners, and enterprise customers to help scope, explain, and deliver solutions that solve real-world connectivity challenges.
As the primary technical point of contact for North America, you’ll guide customers through solution design, proof-of-concept, and technical onboarding. You’ll support our existing sales teams in the region, work closely with our wireless carrier partners, assist in RFIs and RFPs, and lead hands-on customer testing and validation. You’ll play a critical role in ensuring our SIM technologies deliver the resilience and reliability our customers expect, while feeding insights back into the broader product and engineering teams in Europe.
This is an opportunity for an enthusiastic, passionate, and self-motivated individual to become a vital part of the rSIM team. We’re looking for someone who can think independently, contribute creatively, and thrive in a supportive environment where continuous learning is encouraged.
You’ll need to be confident engaging with stakeholders at all levels, both internally and externally, and comfortable operating in an evolving, sometimes ambiguous environment. Success in this role will come from focusing on outcomes over process, staying curious, and being proactive in solving complex technical challenges. As you’ll be working on CSL’s latest connectivity innovations, it’s essential that you can translate technical insights into clear, actionable language that resonates with commercial, product, and technical audiences alike.

Duties & Responsibilities:
This role will encompass a range of responsibilities including but not limited to:
- Lead and manage device testing and validation, working with mobile network operators (MNOs) and customers to ensure rSIM and eSIM behavior meets expectations across different modules, routers, and use cases
- Own and report on testing outcomes, feeding back technical challenges to both internal teams and external partners to help improve the solution
- Build and maintain a comprehensive knowledge base, working closely with peers in Europe to capture insights on rSIM, eSIM, connectivity behavior, and deployment scenarios
- Provide technical expertise during customer engagements, supporting the sales team during pitches, meetings, and technical discussions
- Collaborate with mobile network operators on opportunities they bring to CSL, offering guidance on how rSIM can support their requirements
- Support onboarding of new operator partners by working closely with internal technical teams and external operator contacts
- Work cross-functionally with Product and Marketing teams, helping to translate customer requirements and use case feedback into product enhancements
- Travel is expected throughout USA, Canada, and on occasion internationally, including to CSL’s head office in London, UK.
Key Skills & Qualifications Sought:
- Strong understanding of the wireless carrier / mobile operator ecosystem, experience working with or for mobile network operators (MNOs) or connectivity platforms is essential.
- Familiarity with eSIM technologies, including GSMA standards such as SGP.02 and SGP.32, is highly desirable.
- Networking expertise including knowledge of APNs, VPNs, private IP schemes, NAT, and routing.
- IoT experience with a focus on customer requirements, deployment challenges, and connectivity needs.
- Minimum of 5 years’ experience in telecoms or mobile connectivity roles (pre-sales, solution engineering, product, or operations).
- A quick learner with a strong sense of ownership and a genuine hunger to be the best.
- Bachelor’s degree in a relevant technical or engineering discipline preferred. Experience working across internal and external technical teams to help bring a world-class product to market
- A right-first-time mentality with strong attention to detail
- Brings a high level of professionalism to an engaging, customer-facing role
- Seen as the technical expert, someone colleagues and customers trust to have the answer
- Skilled at extracting the right information from customers to diagnose and solve complex issues
- Brings empathy and humour, adapting communication style to suit different individuals and audiences
- Able to align cross-functional teams around a shared goal and drive progress
- Confident in clarifying requirements and status to ensure momentum and shared understanding
The above should not be viewed as an exhaustive list of skills and/or qualifications but rather CSLs view on the ideal candidate. If you feel you can meet three quarters of the requirements and learn the rest with support from CSL please apply now with an indication of your salary expectations for the role.
CSL operates as an equal opportunities employer and we welcome all applications regardless of gender, race, disability, sexual orientation, religion or belief, age, gender reassignment, marital or civil partnership status, pregnancy or maternity.
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