Cyber Security Architect

Motorola Solutions; Greater London; Remote; GBP 90,000 - 130,000; Full time

Job summary

Motorola Solutions UK is seeking a hands-on Security Architect to design, build, and validate bespoke security solutions. You will drive threat modelling, risk assessments, and regulatory compliance across platforms and customer environments, leveraging an enterprise AI toolset to boost delivery speed and efficiency.

You will contribute to pre-sales with technical diagrams and evidence repositories, while ensuring encryption, RBAC, MFA and audit logging align with security baselines and CRA

Qualifications

• Minimum 4+ years of hands-on security architecture or security engineering in a complex tech environment.
• Proven ability to design and build custom technical security solutions; experience with AI tooling for automation.
• Experience performing threat modelling (STRIDE) and drafting risk assessments.
• Proficiency in scripting languages (Python, Bash, or PowerShell) for automation.
• Active UK Security Clearance (SC) or eligibility for sponsorship.

Responsibilities

• Lead design, build and integration of bespoke security solutions and automated workflows.
• Perform threat modelling and risk assessments, review findings and drive remediation.
• Map configurations to security baselines (ISO/IEC 27001, NIST, CRA) and verify controls.
• Provide technical evidence, diagrams and responses for security tenders and pre-sales.

Skills

Security architecture

AI tooling

Threat modelling

Scripting

UK Security Clearance

Job description

Company Overview At Motorola Solutions, we believe that everything starts with our people. We’re a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. We build and connect technologies to help protect people, property and places. Our solutions foster the collaboration that’s critical for safer communities, safer schools, safer hospitals, safer businesses, and ultimately, safer nations. Connect with a career that matters, and help us build a safer future.

Department Overview

Role Purpose

The Security Architect is a hands-on technical practitioner responsible for designing, building, and validating security solutions, conducting technical threat modelling, executing risk assessments, and ensuring regulatory compliance across Motorola Solutions UK (MSI UK) platforms and regional customer environments. Operating within the Cyber Security Solutions organisation, the post-holder acts as a primary engineering engine to design and build bespoke security solutions and custom tooling—leveraging an approved enterprise AI toolset to drive delivery speed and operational efficiency. The role performs core security architecture functions, including control mapping, technical documentation, and pre‑sales bid support. Focus allocation spans four primary delivery streams: Bespoke Security Solution Design & AI Build (40%), Technical Threat Modelling & Risk Assessments (30%), Regulatory Compliance & Control Verification (20%), and Pre‑Sales Support (10%).

Principal Accountabilities & Duties

• Bespoke Security Solution Design & AI Build (40%) Lead the hands‑on design, build, and technical integration of bespoke security solutions to address emerging customer and operational requirements. Engineer and test custom security tools and automated workflows, leveraging an approved enterprise AI toolset to accelerate technical delivery. Build and maintain sandbox lab environments to validate hardware and software security integrations, perimeters, and data flows prior to operational release.
• Technical Threat Modelling & Risk Assessments (30%) Perform detailed technical threat modelling (using STRIDE methodologies) and vulnerability analysis across application architectures, enterprise software, and network perimeters. Author comprehensive, audit-ready technical risk assessments for new security solutions and project designs. Evaluate penetration test findings, log technical non‑conformities, and engineer verified technical remediations.
• Regulatory Compliance & Control Verification (20%) Map system configurations and technical designs directly against security control baselines, including ISO/IEC 27001, NIST SP 800-171/53, and the EU Cyber Resilience Act (CRA). Verify technical enforcement of core controls, including encryption standards (AES-256, TLS 1.3), Role‑Based Access Control (RBAC), Multi‑Factor Authentication (MFA), and audit logging. Adopt and utilise internal AI security tools to streamline daily architectural verification and compliance checking workflows.
• Pre‑Sales Support (10%) Provide deep technical evidence, security architecture diagrams, and questionnaire responses for customer security tenders. Support customer security evaluations and internal compliance reviews by providing verified evidence repositories and architectural baseline documentation.

Basic Requirements Essential (Day-1 Baseline Requirements)

• Experience: Minimum 4+ years of hands‑on security architecture, technical security engineering, or systems integration experience within a complex technical environment.
• Hands‑on Tooling & AI Ability: Proven ability to design and build custom technical solutions; strong practical interest and capability in using approved AI tools to build automation and custom security capabilities.
• Threat Modelling & Risk Assessment: Practical experience executing formal threat modelling (STRIDE), drafting technical risk assessments, and managing remediation lifecycles.
• Scripting & Automation: Proficiency in scripting (Python, Bash, or PowerShell) for task automation, integration, and custom tool engineering.
• Security Clearance: Active UK Security Clearance (SC) or meeting all UK residency criteria for immediate SC sponsorship.

Desirable (Trainable / On-the-Job Expansion)

• Familiarity with mission‑critical communication networks (TETRA, Land Mobile Radio, ESN) or public safety IT environments.
• Practical knowledge of statutory regulations, including the EU Cyber Resilience Act (CRA) hardware and software security lifecycle requirements.
• Relevant professional certifications.

Travel Requirements

Under 10%

Relocation

Provided None

Position Type

Experienced

Referral Payment Plan Yes Company Airwave Solutions Limited

EEO Statement

Motorola Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion or belief, sex, sexual orientation, gender identity, national origin, disability, veteran status or any other legally‑protected characteristic.

We are proud of our people‑first and community‑focused culture, empowering every Motorolan to be their most authentic self and to do their best work to deliver on the promise of a safer world.

If you’d like to join our team but feel that you don’t quite meet all of the preferred skills, we’d still love to hear why you think you’d be a great addition to our team.

MOTOROLA SOLUTIONS OVERVIEW

At Motorola Solutions, we believe that everything starts with our people. We’re a global close‑knit community, united by the relentless pursuit to help keep people safer everywhere. We build and connect technologies to help protect people, property and places. Our solutions foster the collaboration that’s critical for safer communities, safer schools, safer hospitals, safer businesses, and ultimately, safer nations. Connect with a career that matters, and help us build a safer future.

Learn more at www.motorolasolutions.com.