Sentinel

About the Company

In a world obsessed with technology, we’re interested in the people who make it.

With curiosity for our customers’ ambitions and empathy for our clients’ challenges, we connect talented technology professionals with opportunities to make the greatest impact.

We take a ‘people-first’ approach to talent solutions, building lasting relationships with our customers to help them deliver on their vision for the future.

Sentinel was established 20 years ago and in that time technologies have evolved drastically. By staying true to our commitment to put people first, we have evolved alongside them.

With offices in London, Tunbridge Wells, Czech Republic and Switzerland we deliver permanent and contract recruitment, alongside Statement of Work and Consultancy Services to support clients in total workforce management. Working with technology companies, FinTech organisations, start-ups and major brands our customers are on the cutting edge of business technologies and we supply the in-demand talent driving innovation and shaping their businesses.

Recruiter Investing in Talent Awards 2018 Winner
Kelly OCG Supplier Awards 2015, 2016 & 2018 Winner.

We supply talent to all areas of IT technology and love challenges in Data, Digital, Development, DevOps, Infrastructure, Information Security and Project Management.

Listed Jobs

Company Name

Sentinel

Job Title

Tech Bar/1st Line Support/Hammersmith

Job Description

**Job Title:** Tech Bar / 1st Line Support **Role Summary:** Provide on‑site and remote first‑line IT support for a Hammersmith client, handling Dell laptops and Apple devices. Manage incident resolution, service requests, and hardware upgrades, ensuring efficient support for employees, including VIPs. **Expectations:** - Deliver timely, high‑quality support across multiple shift patterns. - Maintain knowledge of Dell and Apple hardware and support processes. - Demonstrate strong problem‑solving and communication skills with technical and non‑technical staff. **Key Responsibilities:** 1. Respond to and resolve service requests and incidents for Dell laptops, Apple devices, printers, and meeting‑room telephony. 2. Conduct daily checks and provide support for meeting rooms and telephony systems. 3. Diagnose and address hardware faults; liaise with Dell pro‑support for laptop repairs. 4. Plan, schedule, and execute laptop hardware upgrades within agreed timelines. 5. Prepare and deploy new‑starter laptops, ensuring configurations meet security and operational standards. 6. Perform kill‑disk processes on out‑of‐warranty laptops and document them for recycling. 7. Offer deskside support and troubleshoot printing issues. 8. Support small projects related to IT infrastructure and process improvement. **Required Skills:** - Hands‑on experience with Dell laptops and Apple devices. - Proficiency in remote and face‑to‑face technical support. - Strong understanding of hardware fault resolution and ticketing systems. - Ability to upgrade and configure laptop hardware within constraints. - Knowledge of kill‑disk procedures and device lifecycle management. - Excellent communication and service‑orientated mindset. - Capable of working independently within IR35 structured engagement. **Required Education & Certifications:** - Minimum of CompTIA A+ (or equivalent) certification. - Relevant experience in a technical support or service desk role.

London, United kingdom

On site

06-01-2026

Company Name

Sentinel

Job Title

Analyst - Evaulations/Pricing Modelling

Job Description

Job title: Analyst – Valuations/Pricing Modelling Role Summary: Support the development, maintenance, and enhancement of valuation models and databases—primarily Excel and Python-based—while driving automation, data quality, and analytical rigour across multiple valuation review cycles. Expactations: Deliver high‑quality, scalable valuation tools; streamline data collection and cleansing; resolve model/data issues promptly; provide clear analytical outputs and visualisations to support business decisions. Key Responsibilities: - Maintain and enhance valuation and trend databases. - Develop and improve valuation models in Excel and Python. - Automate data collection, cleansing, and standardisation processes. - Investigate and resolve model or data issues raised internally and externally. - Support regular valuation review cycles and analytical outputs. - Create tools for data manipulation and visualisation. Required Skills: - Advanced Microsoft Excel (formulas, charts, VBA). - Python programming (pandas, numpy, matplotlib, etc.). - SQL/database familiarity. - Experience in data quality assurance and automation. - Strong analytical, problem‑solving, and detail‑orientation abilities. - Excellent written and verbal communication. Required Education & Certifications: - Minimum 2:1 degree in a numerical or analytical discipline (finance, engineering, mathematics, data analysis, operational research). - At least 1 year of commercial coding experience. (Optional: certifications in data analytics, programming, or financial modelling.)

Surrey, United kingdom

On site

Fresher

07-01-2026

Company Name

Sentinel

Job Title

AWS Cloud Engineer

Job Description

**Job Title:** AWS Cloud Engineer **Role Summary:** Design, deploy, and manage scalable AWS cloud solutions using infrastructure as code and automation. **Expectations:** Proven experience in cloud engineering, with expertise in AWS services and infrastructure automation. Demonstrated collaboration across engineering teams. **Key Responsibilities:** - Design and implement AWS cloud solutions. - Utilize Terraform and AWS CloudFormation for infrastructure provisioning. - Automate CI/CD pipelines and deploy cloud-based applications. - Collaborate with cross-functional teams to optimize cloud operations and security. **Required Skills:** - AWS Cloud services (networking, compute, security, storage). - Terraform and AWS CloudFormation. - CI/CD pipeline configuration. - Automation tools (e.g., Jenkins, GitLab CI). - Cross-functional team collaboration. **Required Education & Certifications:** Bachelor’s degree in Computer Science, Engineering, or related technical field. Preferred certifications: AWS Certified Solutions Architect, AWS Certified DevOps Engineer.

London, United kingdom

On site

13-01-2026

Company Name

Sentinel

Job Title

Java Engineer

Job Description

**Job Title** Java Engineer (3‑month contract) **Role Summary** Develop, test, and maintain Java‑based applications and RESTful services using Spring Boot, Hibernate/JPA, and related technologies. Participate in an agile team, deliver high‑quality code, and support CI/CD pipelines in a cloud (AWS) environment. **Expectations** - Produce clean, efficient, and well‑documented code following OOP and best‑practice standards. - Meet sprint goals and contractual deadlines. - Collaborate with cross‑functional team members and adhere to version‑control and CI/CD processes. - Ensure reliability, performance, and security of delivered components. **Key Responsibilities** - Design and implement new features and enhancements in Java (Core Java, multithreading, collections). - Build and maintain RESTful APIs using Spring MVC/Boot. - Perform ORM mapping and data access with Hibernate/JPA; write optimized SQL for MySQL, PostgreSQL, or Oracle. - Write unit and integration tests with JUnit and Mockito; achieve high test coverage. - Manage builds and dependencies with Maven or Gradle. - Contribute to CI/CD pipelines using Jenkins or GitHub Actions. - Participate in code reviews, troubleshooting, and performance tuning. - Deploy and monitor services on AWS infrastructure. **Required Skills** - Core Java (OOP, collections, multithreading) - Spring Boot & Spring MVC - Hibernate/JPA ORM - RESTful API design and implementation - SQL and relational databases (MySQL, PostgreSQL, Oracle) - Version control with Git - Build tools: Maven, Gradle - Testing frameworks: JUnit, Mockito - CI/CD: Jenkins, GitHub Actions - Basic AWS services (e.g., EC2, S3, RDS) **Required Education & Certifications** - Bachelor’s degree in Computer Science, Engineering, or a related field **or** equivalent professional experience. - Java certification (e.g., Oracle Certified Professional) is a plus but not mandatory.

London, United kingdom

On site

13-01-2026