Senior Systems and Platform Engineer

We are seeking a skilled and experienced Senior Systems and Platform Engineer to join our
team. This critical role blends hands-on web administration with strategic platform
management, making you responsible for the implementation, maintenance, security, and
performance of our core web infrastructure and customer-facing platforms.

The ideal candidate will manage and maintain our servers, applications, databases, and
caches, ensuring their smooth operation and optimal performance.
You will manage system integration, operations, and upgrades, and act as the key technical
contact for both internal teams and customer stakeholders

This position requires a blend of deep technical, hands-on work and strong collaborative
skills to ensure our systems scale effectively and perform reliably.

Key Responsibilities
Platform & Server Administration

• Configure, maintain, and optimise server software for high availability and security.
• Manage and troubleshoot web applications
• Manage, scale, and maintain performant database clusters and cache clusters
• Configure and integrate associated hardware, such as media players, displays, and
  network components.
• Coordinate and implement all system software updates, patches, and configuration
  changes.

Monitoring, Performance & Scaling

• Monitor server and platform performance, device connectivity, and capacity,
  implementing scaling strategies as needed.
• Ensure the overall health, high availability, and reliability of all web and platform
  deployments to meet SLAs.
• Provide technical leadership on scaling the infrastructure footprint to new stores or
  locations.

Integration & Troubleshooting

• Diagnose and resolve complex technical issues across hardware, software,
  applications, and networks to maintain high uptime.
• Support and manage infrastructure across cloud, on-premises, and hybrid environments.

Security, Compliance & Collaboration

• Implement and maintain robust web security measures to protect against
  vulnerabilities and cyber threats.
• Ensure compliance with web standards and protocols, including HTTP, SSL, DNS, and
  FTP.
• Perform regular system backups and execute disaster recovery procedures.
• Serve as the key technical contact for both internal development teams and external
  customer stakeholders.
• Deliver technical training, documentation, and best practices to customers and
  internal teams.
• Assist with general IT support as needed.

Technical Support & Troubleshooting

• Serve as the main technical contact for AMP in the U.K., supporting both internal
  teams and key customer stakeholders.
• Diagnose and resolve technical issues across hardware, software, and networks.
• Collaborate globally and escalate complex product issues as needed.

Customer & Stakeholder Collaboration

• Build strong relationships with customer IT and operations teams.
• Deliver training, documentation, and best practices.
• Participate in operational reviews and performance reporting.

Qualifications & Skills
Required:

• Education: Bachelor’s degree in Computer Science, Information Technology,
  Engineering, or equivalent related experience.
• Experience: 4-6 years of experience in systems engineering, web administration, or a
  related IT operations role. Managing multi-site Digital Signage platforms (AMP, Scala,
  Broadsign, Brightsign) is preferred.

Server Technology:
Proficiency in configuring and managing web server software like Apache and Nginx.

Databases & Caching:
Expertise in setting up and maintaining scalable PostgreSQL/MySQL/MariaDB databases and
Redis/Valkey cache clusters.

Platforms & OS:

• Extensive hands-on Linux systems administration experience with Ubuntu
  (20.04/22.04/24.04) and Red Hat Enterprise Linux, including package management
  (apt/yum), service configuration (systemd), security hardening (SELinux/AppArmor,
  firewall/iptables/ufw, SSH hardening), log management, process monitoring, and
  performance tuning.
• Deep expertise in deploying, configuring, securing, and optimizing web server stacks
  and application runtimes (Nginx, Apache, PHP-FPM, Node.js, Python, Java/Tomcat,
  etc.) on Linux.
• Experience managing multi-site digital platforms (e.g., digital signage, CMS) and
  proficiency in both Linux and Windows environments.

AWS Expertise (Mandatory – Production-Level, Hands-On Experience Required)
Extended, in-depth knowledge and daily operational experience with the following AWS
services:
• EC2 (AMI creation, launch templates/configurations, auto-scaling groups, spot
instances/fleets, Systems Manager, user data, instance types optimization)
• Load Balancers (ALB/NLB, target groups, listener rules, health checks, SSL
termination, WAF integration) • Security Groups, NACLs, VPC design, AWS Shield,
WAF rules, and network security best practices
• Lambda (runtime environments, layers, concurrency, provisioning,
EventBridge/Step Functions triggers and orchestration)
• ElastiCache (Redis and Valkey – cluster mode, replication groups, backup/restore,
parameter tuning, node types, migration paths from Redis)
• RDS/Aurora (MySQL/MariaDB/PostgreSQL – multi-AZ deployments, read replicas,
Performance Insights, automated backups, parameter groups, major/minor version
upgrades)
• CloudWatch (metrics, alarms, logs, Events, Synthetics canaries, Contributor
Insights, CloudWatch Logs Insights, dashboards, and integration with SNS/Slack for
alerting)

Networking: Deep knowledge of networking (TCP/IP, VPN, firewalls, proxies) and web protocols (HTTP,
SSL, DNS).

Hardware & Scripting:
• Familiarity with media player hardware and displays.
• Scripting skills (Bash mandatory; PowerShell and Python strongly preferred).

Soft Skills:
Excellent troubleshooting and problem-solving abilities with strong communication skills for
both technical and non-technical audiences.

Preferred

• AWS certifications (SysOps Administrator, DevOps Engineer Professional, Solutions
  Architect Professional)
• Background in retail technology or Quick Service Restaurant environments.
• Knowledge of digital media formats and content delivery workflows.
• Experience with audience measurement or sensor technology.

What we offer

• A leadership role in one of the most innovative Global retail media tech companies.
• Collaboration with global teams and advanced digital signage solutions.
• Competitive pay, benefits, and professional development opportunities.
• A supportive, team-oriented culture.