DevOps Engineer Job Description (Servers, Security, CI/CD, In-House Infrastructure)
Location: On-site (Warrington, UK)
Employment Type: Full-time
Salary: £40k
About the Role
We are looking for a
DevOps Engineer
to manage and secure our in-house infrastructure, automate deployments, and optimise our CI/CD pipeline. You will be responsible for server management, security enforcement, networking, and infrastructure automation.
About the Role
We are looking for a
DevOps Engineer
to
manage and secure our in-house infrastructure
, automate deployments, and optimise our
CI/CD pipeline
. You will be responsible for
server management, security enforcement, networking, and infrastructure automation
.
Responsibilities
Server & Infrastructure Management
* Manage and maintain
Linux-based servers (Ubuntu, Debian, CentOS)
.
* Deploy and monitor
on-premises servers, networking, and power systems
.
* Implement
high availability (HA) and failover strategies
for critical services.
* Optimize server performance, storage, and backups.
* Maintain and scale
a hybrid cloud setup (AWS, on-prem, and private cloud infrastructure)
.
CI/CD & Code Deployment Automation
* Build and maintain
CI/CD pipelines using GitHub Actions, GitLab CI/CD, or Jenkins
.
* Automate software deployments for web applications and internal tools.
* Maintain
self-hosted CI/CD infrastructure
(runners, deployment servers).
* Optimize
rollbacks, blue-green deployments, and zero-downtime strategies
Security & Compliance
* Set up
firewalls, access controls, and server hardening
.
* Enforce
SSH key-based authentication & disable root login
.
* Implement
intrusion detection (Snort, Suricata) & fail2ban for SSH security
.
* Monitor system logs for
suspicious activity
and conduct regular
security audits
.
* Manage
encrypted storage, VPN access (WireGuard/Tailscale), and private Git hosting
.
* Authentication management w/ ensuring 2FA & other security improvement opportunities
Networking & Office IT Security
* Configure VLANs to
separate office traffic from DevOps infrastructure
.
* Server setup basics required & will have consulting advice
* Set up
Wi-Fi segmentation
(secure internal network vs. general office Wi-Fi).
* Implement
real-time power monitoring (Smart PDUs, Energy Meter at the breaker panel)
.
Monitoring, Backups & Disaster Recovery
* Set up
monitoring
for servers and the network.
* Implement
automated alerts (Slack, email) for CPU spikes, outages, and security threats
.
* Maintain
regular backups
(AWS S3, on-prem NAS, offsite redundancy).
* Plan and test
disaster recovery scenarios
to minimise downtime.
What You'll Need (Requirements)
* 1+ years of experience
in DevOps, Infrastructure, or System Administration.
* Commercial
AWS
experience
* Strong experience with
Linux (Ubuntu, Debian, CentOS)
server management.
* Experience with
CI/CD tools
(GitHub Actions, GitLab CI, Jenkins, or similar).
* Knowledge of
networking (firewalls, VLANs, VPNs, BGP, routing)
.
* Familiarity with
security best practices
(SSH hardening, IDS/IPS, access control).
* Experience managing
Docker, Kubernetes, or containerized environments
.
* Comfortable managing
physical hardware (rack-mounted servers, PDUs, UPS systems)
.
* Understanding of
database administration (PostgreSQL, MySQL, or MongoDB)
.
* Experience with
monitoring/logging tools (Grafana, Prometheus, ELK stack)
.
Nice to Have (Preferred Skills)
* Experience working with
Hybrid Cloud (AWS, Proxmox, OpenStack, etc.)
.
* Hands-on experience with
hardware setup & data center operations
.
* Knowledge of
DDoS protection, reverse proxies (Cloudflare, HAProxy, Traefik)
.
* Experience with
energy monitoring & infrastructure scaling
.
What We Offer
* A chance to
build and manage an on-prem infrastructure from scratch
.
* The opportunity to
own security, networking, and server automation
.
* A
hands-on role in scaling our infrastructure and hybrid cloud setup
.
* Work with a team that values
security, automation, and fast deployments
.
* Competitive salary and
the chance to grow with the company
.
* Location:
Warrington, UK
* Full-time
*