Systems & Application Engineer

DXC Technology; Liverpool; On-site; GBP 45,000 - 65,000; Full time

Job summary

A global technology service provider in Liverpool is seeking a Senior Systems & Application Engineer to manage and optimize systems and applications. You will oversee server performance, administer key databases, and collaborate across teams to ensure robust operations. Ideal candidates should have extensive experience with Linux OS, SQL databases, and automated processes. The role includes participation in a 24/7 on-call rota for support, making strong analytical skills essential. Join a dynamic team that values continuous improvement and professional development.

Qualifications

• Strong experience with Linux OS (e.g., Debian, Red Hat) and scripting.
• Proficiency with SQL and No SQL databases.
• Comfortable with a wide range of open-source tools.

Responsibilities

• Manage deployment, maintenance, and performance of server and system infrastructure.
• Administer a range of database technologies and monitor application availability.
• Participate in a 24/7 on-call rota for critical alerts.

Skills

Linux OS

SQL databases

No SQL databases

Scripting

Git

Analytical skills

Problem-solving

Tools

MySQL/MariaDB

PostgreSQL

SQLite

MongoDB

Redis

Job description

Overview

succeed? If so, we would love to hear from you. We're looking for a Senior Systems & Application Engineer to help maintain and optimise our systems, servers and business-critical applications. Working closely with Network Operations, Dev Ops and Software teams, you'll play a key role in delivering robust services that keep our organisation running smoothly.

Responsibilities

• Systems & Infrastructure Management: Managing deployment, maintenance and performance of server and system infrastructure across both hardware and open-source software. Monitoring system performance, resolving issues and driving long-term stability and scalability. Designing and developing new systems and services in collaboration with colleagues across the business. Creating and maintaining clear operational documentation. Planning and executing regular patching and maintenance activities to mitigate security risks.
• Applications and Databases: Acting as a product champion for key business applications, offering support, training and documentation. Administering a range of database technologies including My SQL/Maria DB, Postgre SQL, SQLite, Mongo DB and Redis. Overseeing monitoring and alerting systems to ensure high application availability. Supporting deployments and upgrades with thorough checks, backups and rollback planning.
• Cross-Team Collaboration: Work closely with Network Operations or infrastructure, security and best practice (including CVE monitoring). Helping develop automation tools to remove repetitive manual tasks. Partnering with Dev Ops and Software teams to deliver secure, reliable deployments.
• Monitoring, Incident Response and Support: Participating in a 24/7 on-call rota, responding to critical alerts and providing third-line escalation support. Assisting Network Operations, Helpdesk and field engineers to resolve issues quickly and effectively. Providing occasional on-site support when required.
• Continuous Improvement & Mentoring: Supporting junior team members through mentoring and project involvement. Contributing to internal tools for monitoring, automation and reporting. Promoting high standards of documentation, process and continuous improvement.

What We're Looking For

• Willingness to take part in a 24/7 on-call rota
• Full UK Driving licence
• Strong experience with Linux OS (e.g. Debian, Red Hat) and scripting
• Proficiency with SQL and No SQL databases
• Familiarity with Git and modern source-control practices
• Comfortable working with a wide range of open-source tools and technologies
• Ability to manage regular system patching and automate processes where possible
• Excellent analytical and problem-solving skills with strong attention to detail
• Confident working independently and collaborating across technical teams
• Project management experience or qualification would be an advantage