About AutoRek
AutoRek is a financial data management platform enabling companies to streamline and automate complex and high-volume data management and controls processes. Our customers range from innovative FinTech start-ups to many of the UK and the world’s largest and established banks, asset managers and insurance companies. Digital data and financial transaction volumes are growing exponentially, this combined with increasing regulatory obligations is driving the demand for improved efficiencies, better control and management of risk across the financial services industry. The AutoRek platform meets these demands and more and that is why we continue to be a leading player in the market.
We are looking for an experienced Senior Systems Administrator to play a key role in maintaining and improving our internal IT environment. You will act as a senior technical specialist within the Internal IT team, helping ensure our systems are secure, reliable and scalable to support a growing organisation.
In this senior hands-on role, you will work on technical issues, support junior members of the team, contribute to infrastructure improvement initiatives and help drive operational best practices across internal systems and services.
This is an excellent opportunity for someone who enjoys combining deep technical expertise with continuous improvement, automation and knowledge sharing in a fast-paced technology business.
What We’re Looking For:- Strong experience in systems administration within a Windows and MacOS environment
- Strong understanding of Active Directory, Group Policy, DNS, DHCP and core Microsoft infrastructure services
- Proven experience administering Microsoft 365 including Exchange Online, Teams, SharePoint and Entra ID
- Hands-on experience managing Microsoft Intune and modern endpoint environments (Windows 10/11,macOS, and iOS)
- Strong virtualisation experience, particularly with Hyper-V
- Experience managing backup solutions, disaster recovery planning, and resilience testing
- Proven networking knowledge including LAN/WAN, VLANs, VPNs and firewall technology
- Good PowerShell scripting skills and an automation-first mindset
- Hands on experience working with Infrastructure as Code or configuration management tools such as Terraform or Ansible
- Ability to act as a senior escalation point and resolve complex technical issues
- Someone who takes ownership of core systems and naturally drives stability and improvement
- An individual who is calm and methodical when dealing with major incidents and high-impact issues
- A strong problem solver who can balance day-to-day operational support with longer-term improvements
- Someone who enjoys mentoring colleagues and raising technical standards across the team
- A proactive mindset with the confidence to identify risks, suggest improvements, and follow through to delivery
- A clear communicator who can explain technical topics to non-technical stakeholders
- A team player who works well across departments and supports a collaborative Internal IT culture
- Experience supporting GRC functions relating to cyber security and audits, drawing on previous experience working in heavily regulated financial/insurance or legal sectors
Desirables:- Linux server administration experience
- Familiarity with DevOps tools and Git-based workflows
- Experience supporting VoIP or Microsoft Teams telephony
- Exposure to IIS or internal web application hosting
- Experience participating in disaster recovery simulations and business continuity exercises
What You'll Be Doing:- Act as the support expert on administration and optimisation of Windows& Linux server environments, Active Directory, Entra ID, Intune and Group Policy
- Maintain and improve Microsoft 365, Azure services and endpoint management through Intune
- Support and maintain virtualisation platforms, storage and backup solutions
- Act as the senior escalation point for complex 2nd and 3rd line issues within Internal IT
- Lead root cause analysis for major incidents and implement preventative improvements
- Drive patching, system hardening and vulnerability remediation activities
- Support backup integrity checks, disaster recovery readiness and recovery testing
- Contribute to infrastructure upgrades, migrations and internal IT improvement projects
- Develop and maintain technical documentation, standards and operational procedures
- Provide mentoring and day-to-day technical guidance to junior IT team members
- Ensure IT asset records and system documentation remain accurate and up to date
No two days are the same in this role. A typical week may include: - Investigating and resolving complex infrastructure or endpoint issues escalated from the service desk
- Reviewing system health, patch compliance, backup reports and security alerts to ensure the environment remains stable and secure
- Working on improvement initiatives such as automating manual tasks, refining Group Policy structures or improving Intune configurations
- Supporting infrastructure changes,upgrades or new system implementations as part of internal projects
- Collaborating with other departments to support new starters, system integrations or evolving business requirements
- Mentoring junior team members and sharing knowledge to improve overall team capability
- Updating documentation and runbooks to ensure knowledge is retained and processes are repeatable
Tech Stack You’ll Work With
- Dell Pro & Apple MacBook hardware
- Microsoft 365 including Exchange Online, Teams, SharePoint, and Entra ID
- Microsoft Intune for device and endpoint management
- Windows& Linux Server, Active Directory, Group Policy, DNS and DHCP
- Microsoft Azure for selected cloud-hosted services and identity integration
- Hyper-V virtualization, backup and storage platforms
- PowerShell and automation tooling, alongside Infrastructure as Code tools such as Terraform and Ansible
- Core networking technologies including VPNs, firewalls ,switching and wireless infrastructure
In addition to the above, you will be working in a highly supportive and rewarding environment alongside a leadership team who will actively support your career. This role will report directly to the IT Manager.
- 26-day annual leave package, flexible bank holidays, plus public holidays and your birthday off
- Floating public holidays
- Salary exchange pension scheme
- The option to buy extra annual leave days
- Company Bonus Plan
- Employee Nominated On-The Spot Bonus Program. Ranging from £100 - £5000!
- Employee-Referral Scheme
- Private healthcare & hospital cash plan that covers our employees’ partners and dependents.
- 3 x Group Life Insurance
- Service Recognition Awards - Extra time off & gifts
- Regular team-building events and monthly all-staff updates from our CEO
- Opportunities for professional development and growth
- Access to online learning for all - Pluralsight & Udemy
- Gym membership discount
- Byond cashback card – Cashback on purchases from your local high street retailers
- Salary sacrifice cycle scheme – Our cycle to work benefit-pay nothing upfront and save on the cost of a brand-new bike and accessorise. All while saving the planet by reducing your carbon footprint.
Check out our Employee Benefits video via our social media pages!
AutoRek Careers - Instagram
AutoRek Careers – Facebook 
