Linux systems administrator/application support Work, Jobs (with Salaries)

Sr. Engineer, Systems
ABACUS —Remote
- Weekend availability
- Remote
- Azure
- Maintenance
- Windows
- Annual leave
- Employee discount
Quick apply
System Administrator
Next Venture Technologies —Mamhilad
- £30,000 - £40,000 a year
- Full-time
- Linux
- In-person
- Free parking
Quick apply
IT Support Officer
Northchild Education (UK) Ltd —London
- £31,000 - £40,000 a year
- Weekend availability
- Azure
- Computer Science
- University
Quick apply
8d
M365 Admin – IDAM
Arbuthnot Latham —London
- Microsoft Access
- DevOps
- SharePoint
Server Administrator / DevOps Engineer
RentGuarantor —Bristol
- £60,000 - £70,000 a year
- Full-time
- Hybrid work
- Azure
- DevOps
- AWS
Quick apply
10h
Senior Technical Support Engineer (Level 3)
Stonemere IT —Kingston upon Hull
- £34,000 - £40,000 a year
- Full-time
- Hybrid work
- Customer service
- Windows
- Computer networking
- Free parking
- Health & wellbeing programme
Quick apply
Site Reliability Engineer (SRE) Fintech
Ant-Tech —London
- Remote
- Azure
- AWS
- Continuous improvement
Quick apply
2d
SOC Analyst
NCC Group —Cheltenham
- Full-time
- Hybrid work
- Windows
- Computer networking
- IT
- Annual leave
Quick apply
Database Engineer (SQL / MySQL)
Giacom —Hessle
- £40,000 - £45,000 a year
- Azure
- SQL
- AWS
- Annual leave
Quick apply
TechOps Engineer (System Administrator)
Talos Global —London
- Full-time
- Azure
- DevOps
- AWS
- Gym membership
Senior Infrastructure Administrator
Expleo —Preston
- Azure
- Computer Science
- Engineering
Lead MySQL Database Administrator
Verifone —Ashford
- Hybrid work
- Oracle
- Java
- SQL
Quick apply
Unix / Openshift System Administrator
Boeing —Bristol
- Monday to Friday
- DevOps
- Java
- Linux
- Life insurance
System Administrator
vServices —London
- Computer Science
- Bachelor's degree
- Linux
Azure Technical Engineer
Atos —Manchester
- Azure
- DevOps
- AWS
- Annual leave
Client Services Engineer - Bloomberg Broadway
Bloomberg —London
- Computer Science
- Engineering
- Windows
Senior Database Administrator
Aristocrat —London
- Full-time
- English
- SQL
- AWS
14d
Senior System Administrator
Nomad Digital —Newcastle upon Tyne
- Full-time
- Azure
- Computer Science
- Travel
- Annual leave
- Referral programme
Quick apply
Kubernetes Certified Engineer
Yobitel Communications —London
- Full-time
- Azure
- DevOps
- Master's degree
Cloud Technical Lead
SAS —Marlow
- Azure
- English
- AWS

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Sr. Engineer, Systems

ABACUS -
Remote

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Job details

Benefits

Private dental insurance
Annual leave
Company pension
Discounted gym membership
Company events
Private medical insurance
Employee discount
Life insurance

Qualifications

Microsoft Windows Server
Azure
Node.js
Kubernetes
Maintenance
Windows
Virtualisation
Systems engineering
VMWare
Linux
RHCE
Root cause analysis
vSphere
IaaS
ESXi
vCenter

Full job description

Overview

As a Senior Systems Engineer, you will lead the organisation's transformation from a VMware-based environment to Red Hat OpenShift Virtualisation. This role is responsible for the full migration lifecycle, as well as the day‑to‑day operation, optimisation, and maintenance of Virtual Machines (VMs) running on OpenShift. You will serve as a senior technical resource, providing deep expertise in virtualisation, Linux, Kubernetes/OpenShift, and enterprise infrastructure.

Job Description

Duties and Responsibilities:

Infrastructure Design: Assist with the design of Bare Metal OpenShift clusters optimised for virtualisation, ensuring high performance for compute-heavy VM workloads.
Modernisation & Migration: Lead the end-to-end migration lifecycle from VMware vSphere to OpenShift. This includes leveraging the Migration Toolkit for Virtualisation (MTV), performing pre-migration discovery, and executing "Warm Migrations" to minimise downtime for critical business stateful workloads.
Storage Management: Experience configuring Portworx as the storage provider on top of Pure Storage.
Backup & DR: Experience with managing backup and DR within Red Hat OpenShift environments. Assisting the DR team in configuring run books for Client DR Testing.
Operational Excellence: Manage VM-specific "Day 2" operations, including Live Migration, node maintenance/draining, and high-availability (HA) scheduling.
Optimize & Maintain: Proactively monitor our systems with CheckMK, manage storage on Pure Storage and HPE.
Troubleshoot & Resolve: Act as a final escalation point for complex technical issues, performing deep-dive root cause analysis and collaborating with support teams to ensure timely resolution.
Collaborate & Innovate: Work closely with a team of skilled engineers to share knowledge, improve processes, and evaluate emerging technologies.
Provide Critical Support: Participate in a rotating on-call schedule to provide after-hours support for critical infrastructure.
Flexibility: Ability to work Weekends for project roll outs, Maintenance tasks etc.

Person Specification

Qualifications and Experience

Experience

In the field of:

Required/Preferred

7-10 Years

Systems Engineering

Required

2-4 Years

Working directly with Kubernetes or OpenShift (MSP environment preferred)

Required

1-3 Years

Strong Linux administration skills

Required

Licenses and Certifications

Professional Association

Required/Preferred

Red Hat Certified OpenShift Administrator

Required

Red Hat Certified Specialist in OpenShift Virtualisation

Required

Knowledge, Skills, and Abilities

Virtualisation: Red Hat OpenShift, VMware ESXi/vCenter, Proxmox VE
Cloud: Microsoft Azure (IaaS/PaaS)
Application & Desktop Delivery: Citrix Virtual Apps and Desktops, Citrix NetScaler (ADC)
Storage: Pure Storage, HPE
Operating Systems: Windows Server, Linux
Monitoring: CheckMK or similar enterprise monitoring tools
Availability to work UK business hours with occasional evenings/weekends as part of the on-call rotation.

Attributes that will drive success:

Demonstrated ability to analyze root causes and implement long-term solutions.
Ability to perform under pressure, manage competing priorities, and meet tight deadlines.
Self‑starter with strong ownership, able to work independently while collaborating when needed

Benefits of Working for Abacus:

Generous annual leave entitlement plus bank holidays (pro-rata if part-time working hours apply)
Gym discount
Life insurance
Comprehensive travel insurance for you and your family in line with scheme rules
Confidential well-being and counselling support
Competitive Compensation
Contributory pension scheme
Company events
Private Medical and Dental Insurance

Quick apply

Refine Your Search

linux systems administrator/application support jobs

Sr. Engineer, Systems

System Administrator

IT Support Officer

M365 Admin – IDAM

Server Administrator / DevOps Engineer

Senior Technical Support Engineer (Level 3)

Site Reliability Engineer (SRE) Fintech

SOC Analyst

Database Engineer (SQL / MySQL)

TechOps Engineer (System Administrator)

Senior Infrastructure Administrator

Lead MySQL Database Administrator

Unix / Openshift System Administrator

System Administrator

Azure Technical Engineer

Client Services Engineer - Bloomberg Broadway

Senior Database Administrator

Senior System Administrator

Kubernetes Certified Engineer

Cloud Technical Lead

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