System Support Administrator IIS .NET

1 month ago

Bristol, United Kingdom GB010 Marsh Corporate Services Full time

Description:

MMC Tech seek a talented System Support Administrator (focused on IIS/.NET applications) to join our dedicated Systems Engineering team in our UK offices, Bristol, Chichester, Edinburgh, Leeds, Liverpool , London .

As a System Support Administrator, we will give you the responsibility for support aspects of application middleware components, overseeing the technical operational management of multiple critical systems.

Working collaboratively, with a variety of technical teams, you will be involved with Incident and Problem management, change management, Disaster Recovery planning and implementing, Provisioning of infrastructure and related services, application patching and supporting application reviews following Operating System patching.

Help us implement monitoring solutions for applications and related infrastructure as well as analysing and projecting long-range capacity requirements.

We will look for you to identify opportunities for systems and tools enhancements and automation to aid operational efficiencies also for middleware enhancements, performance tuning, server hardening, etc., via automation to aid operational efficiencies.

As our team provide on-call support of organized changes or incidents & manage Severity 1 production issues, there may be a requirement for some weekend work & extended days on occasion.

What can you expect?

To play a key support role in data centre migrations. To join a team supporting multiple critical systems. The opportunity for future training in AWS.

What you need to have:

Experience handling large MS .NET and IIS based windows and web applications. A good awareness of Microsoft .NET technology Experience administrating applications on Window Servers (2016/2019) Strong experience in application troubleshooting e.g. reviewing Logs (IIS/Event Viewer/etc.), use of Sys Internals tools, etc. Good knowledge on patching procedures for Windows OS, .NET, Java, etc. Exposure to Microsoft SQL server 2016/2019 (including SQL Scripting experience) is preferred

What makes you stand out:

Experience of cloud computing technologies and environments (AWS). Strong knowledge of PowerShell scripting. Basic network troubleshooting e.g. experience using listener, netstat, fiddler, trace-routing and reviewing port configuration, etc. Strong understanding of DNS and Load Balancing concepts. Experience working within ITIL standards. Experience using monitoring tools such as DataDog, Splunk, etc. Experience with MS Sharepoint Administration is beneficial.

Marsh McLennan is committed to hybrid work, which includes the flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All Marsh McLennan colleagues are expected to be in their local office or working onsite with clients at least three days per week. Office-based teams will identify at least one “anchor day” per week on which their full team will be together in person.

We will rely on you to:

Systems Management

Provide on-call rotational production technical support, manages severity level 1 issues and implements change controls as well as contributes to production issue resolution. Ensure application availability, reliability, stability and documents root cause analysis of all in-scope incidents along with recommended corrective action plans. Participate in application migrations and projects requiring infrastructure implementation and/or changes. Assist with application releases and processes. Create and maintain technical documents such as knowledge base articles, infrastructure diagrams, and FAQs

Compliance and Security

Perform routine housekeeping and health check monitoring withinWindows Servers and Application environments: not limited to monitoring of application services, batch processes, backup jobs; archiving of logs, etc. Respond to security requirements and changes and ensure that they are applied to the systems within area of control. Carry out account revalidation exercises as required. Assist with audit reviews and ensure audit requirements and changes are met, collaborating with various business and application teams as necessary. Maintain audit compliance and reporting procedures.

Process improvement initiatives.

Identify opportunities for systems and tools enhancements and automation to aid operational efficiencies. Identify opportunities for middleware enhancements, performance tuning, server hardening, etc. via automation to aid operational efficiencies. Contribute to group/team wide improvement initiatives.

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is the world’s leading insurance broker and risk adviser. With more than 45,000 colleagues advising clients in over 130 countries, Marsh serves commercial and individual clients with data-driven risk solutions and advisory services. Marsh is a business of (NYSE: MMC), the world’s leading professional services firm in the areas of risk, strategy and people. With annual revenue of $23 billion, Marsh McLennan helps clients navigate an increasingly dynamic and complex environment through four market-leading businesses: , , , and . For more information, visit , follow us on and

Marsh McLennan is committed to embracing a diverse, inclusive and flexible work environment. We aim to attract and retain the best people and embrace diversity of age background, civil partnership status, disability, ethnic origin, family duties, gender orientation or expression, gender reassignment, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, or any other characteristic protected by applicable law. We are an equal opportunities employer. We are committed to providing reasonable adjustments in accordance with applicable law to any candidate with a disability to allow them to fully participate in the recruitment process. If you have a disability that may require reasonable adjustments, please contact us at

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