At a Glance
- Tasks: Take ownership of IT systems, solve complex challenges, and drive improvements.
- Company: Join TwinStream, a growing tech company focused on innovative solutions for government organisations.
- Benefits: Enjoy a competitive salary, 28 days holiday, private healthcare, and flexible working options.
- Other info: Be part of a supportive environment with excellent career progression opportunities.
- Why this job: Make a real impact by enhancing IT services and supporting a dynamic team.
- Qualifications: Proven experience in systems administration and strong technical skills required.
TwinStream is looking for an experienced Senior IT Systems Administrator to help keep our IT systems secure, resilient and performing at their best. This is a hands-on senior role offering the autonomy to tackle complex technical challenges, drive improvements, introduce automation and support colleagues across a growing business.
About TwinStream
Founded in 2019 by engineers solving complex challenges within government organisations, TwinStream combines deep technical expertise with outstanding client service. We've since grown to more than 100 people across the UK, with colleagues working on-site, remotely and in hybrid environments.
The Senior IT Systems Administrator Role
You'll take senior operational responsibility for TwinStream's corporate IT estate, ensuring systems remain secure, reliable and fit for the future. Working alongside the IT Technical Lead, you'll turn technical priorities into practical improvements while using your expertise to resolve issues, guide colleagues and enhance service delivery.
Your responsibilities will include:
- Managing the performance, resilience and lifecycle of cloud services, infrastructure, devices and applications.
- Administering Microsoft 365, Entra ID, identity and access management, endpoint security and corporate SaaS applications.
- Maintaining corporate networks, including firewalls, switches, wireless, VPN, DNS and DHCP.
- Implementing configuration changes, integrations and automation to improve efficiency and consistency.
- Monitoring service health, capacity, performance and security, proactively addressing risks and vulnerabilities.
- Leading complex incident resolution, root-cause analysis and security investigations.
- Coordinating patching, upgrades, backups, recovery testing and business continuity arrangements.
- Maintaining technical documentation, operational procedures, asset records and IT service-management standards.
- Mentoring colleagues, working with suppliers and stakeholders, and recommending improvements to support future priorities.
What We're Looking For
You'll bring proven experience in systems administration, infrastructure engineering or a similar technical role, alongside the confidence to work autonomously and take ownership of complex challenges.
Essential experience and skills:
- Strong Microsoft 365 administration and optimisation skills.
- Microsoft Entra ID, including SSO, Conditional Access, Identity Governance and Zero Trust principles.
- Corporate networking, including firewalls, switching, wireless, VPN, DNS and DHCP.
- Managing Windows, Linux and mobile devices, including endpoint management and secure configuration.
- PowerShell or similar scripting tools to automate tasks and improve efficiency.
- Cloud services, SaaS applications, collaboration tools and development-support services.
- IT security, vulnerability management, patching, monitoring, backups and disaster recovery.
- Incident management, root-cause analysis and security incident response, ideally involving SIEM tools.
- IT service management covering incidents, problems, changes and assets.
- Strong troubleshooting, risk assessment, prioritisation and communication skills.
- Experience guiding colleagues, maintaining technical documentation and working with suppliers.
Desirable:
- Intune, Landscape, JumpCloud, Atlassian or similar tools;
- ITIL Foundation;
- Infrastructure as Code;
- AWS or Azure;
- ISO 27001;
- Cyber Essentials Plus;
- UK public-sector experience;
- and involvement in agile delivery or developing IT policies and standards.
You don't need to meet every requirement. If you have strong technical foundations and a proactive approach to improving IT services, we'd love to hear from you.
What's in It for You?
- £50,000–£60,000 salary
- 28 days' holiday plus bank holidays, with the option to buy or sell an additional week
- Annual bonus
- 8% non-contributory pension
- Private healthcare
- Critical illness cover
- Life insurance
- Enhanced parental leave
- Flexible working
- Learning, development and career progression opportunities
- A supportive and inclusive team environment
- The opportunity to work on meaningful projects
Ready for Your Next Challenge?
Join TwinStream and help deliver secure, reliable and continually improving IT services in a role where your expertise and initiative can make a real difference. Apply today.
Senior IT Systems Administrator in Bristol employer: Twinstream Limited
At TwinStream, we pride ourselves on being an excellent employer, offering a competitive salary and a comprehensive benefits package that includes 28 days of holiday, private healthcare, and a non-contributory pension. Our collaborative and inclusive work culture fosters employee growth through continuous learning opportunities, while the flexibility of remote work and a hybrid model post-2027 allows for a healthy work-life balance. Join us in Bristol to work on meaningful projects that make a difference within government organisations, all while being part of a supportive team dedicated to technical excellence.
StudySmarter Expert Advice🤫
We think this is how you could land Senior IT Systems Administrator in Bristol
✨Join the IT Consultancy Buzz
Get involved in local or virtual IT consultancy meetups and forums. This is where we can rub shoulders with industry professionals, get insights into what Twinstream Limited values, and even spot unadvertised opportunities. Don't miss out on these chances to make a name for ourselves in the IT world!
✨Show Off Your Skills
Create a personal project or case study relevant to the challenges Twinstream Limited might face. Use platforms like GitHub or Medium to share your findings. This not only demonstrates our consulting skills but shows a proactive attitude, making us stand out from the crowd when applying for that full-time gig.
✨Leverage LinkedIn for Connections
Follow and engage with the relevant thought leaders and influencers in IT consultancy on LinkedIn. Share insightful content and join discussions to gain visibility. A well-placed comment or shared article could catch the attention of someone at Twinstream Limited!
✨Direct Apply to Twinstream Limited
Let's not forget to apply directly through the Twinstream Limited website! Tailor your application to showcase our understanding of their consulting style and how we can contribute to their projects. A personalised approach can make a huge difference in landing that full-time position!
We think you need these skills to ace Senior IT Systems Administrator in Bristol
Some tips for your application 🫡
Showcase Your Problem-Solving Skills:In IT consulting, it's all about problem-solving, so make sure your CV highlights your analytical skills and any relevant projects you've tackled. Mention specific technologies or methodologies you've used to resolve issues or improve processes; this shows you can think critically and deliver results, which is vital for us at Twinstream Limited.
Highlight Relevant Certifications:Certifications like ITIL, PMP, or even specific tech stack qualifications can really make you stand out. Make sure to include these in your CV, as they not only demonstrate your expertise but also your commitment to staying current in the field. We love seeing candidates who are proactive about their professional development!
Tailor Your Cover Letter:Your cover letter is your chance to connect personally with us at Twinstream Limited. Share stories about your experiences in IT consulting, and how they shaped your desire to join our team. Mention why you’re excited about this particular role, and how you see yourself contributing to our projects.
Keep It Clear and Concise:We're all busy, so make sure your application is easy to read. Use bullet points for key achievements, and don’t overload us with jargon. A clean, professional layout goes a long way. Remember, the clearer your application, the more likely we are to invite you in for an interview!
How to prepare for a job interview at Twinstream Limited
✨Brush Up on Your Technical Skills
For an IT consulting role, be ready to demonstrate your technical prowess. You might face questions on systems integration, cloud technologies, or even troubleshooting specific software. If you have experience with tools like AWS, Azure, or even specific programming languages, make sure you can talk about them fluently.
✨Showcase Your Problem-Solving Approach
IT consulting is all about solving problems for clients. Think about how you can illustrate your approach to a past challenge using the STAR method (Situation, Task, Action, Result). It's a great way to show how you tackle complex issues and come up with effective solutions.
✨Know the Business Impact of IT Solutions
When discussing your experiences, focus not just on the tech solutions you implemented, but also on their business impact. Employers want to see that you can connect IT with organisational goals. Prep examples that highlight how your tech contributions improved efficiency or reduced costs for past clients or projects.
✨Prepare for Behavioural Questions
Since IT consulting often involves teamwork and client interactions, expect behavioural questions that assess your interpersonal skills. Be prepared with examples that demonstrate your adaptability, communication skills, and how you handle client feedback. Before the interview, think of situations where you worked closely with clients to create effective IT strategies or changes.
