Senior Systems and Network Administrator

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ROLE: Senior Network and Systems AdministratorTYPE: PermLOCATION: BorehamwoodSALARY: £4k Duties and Responsibilities Systems To provide day to day support and management of the systems and storage infrastructure including (but not limited to): o All server, storage and backup hardwareo The Hyper-V virtualisation environmento All server operating systems and software configurations o All data storage systems, software configurations and backup solutions o Microsoft Active Directory and associated services such as GPO, DNS and DHCP o Microsoft O365 and Azure and associated systems and servicesTo ensure the security of the systems infrastructure and the data when in transit, during processing and whilst at restTo ensure the stability of the systems infrastructure eliminating unplanned downtime and/or service disruptions through the development of fault tolerant and resilient designs including a patching and update schedule for all systemsTo assist in the development of IT systems continuity planning and implementation in support of the business continuity plans.To be responsible for the systems and data backup and restoration processes, the procedures for the systems infrastructure ensuring that backups are successfully completed and tested to ensure that they can be recovered from when necessary To assist in the development of a disaster recovery plan for the systems infrastructure and storage infrastructure and other IT services. When required, to be responsible for the implementation of the plan for the systems and infrastructure 2To regularly monitor the performance of the systems infrastructure to ensure it is meeting the needs of IT service users and report issues as necessary. This will include daily monitoring of systems performance, security etcTo manage the security certificates ensuring their timely renewalTo develop and maintain accurate systems management documentationTo assist with the design and implementation of IT systems and wider IT department project implementation as requiredTo ensure that the systems infrastructure and storage solutions are sufficiently flexible and scalable to meet the evolving needsActive Directory design configuration and management including group policyDesign management and support of the data storage infrastructureConfiguration, management and support of the virtual and physical server environmentConfiguration, management and support of the cloud systems, including O365, Azure and other third party systemsPlan and implement the migration of the systems from on-premises to cloudNetworking To provide day to day support and management of the network infrastructure including (but not limited to): o Edge switch hardware and software configuration o Remote access solutions o Router hardware and software configuration o External network connectivity configuration o Firewall and filtering hardware and software configurationTo ensure the security and stability of thef network infrastructure eliminating unplanned downtime and/or service disruptions through the development of fault tolerant and resilient solutions including a patching and update schedule for all network devicesTo assist in the development of IT systems continuity planning and implementation in support of the business continuity plansTo assist in the development of a disaster recovery plan for the network infrastructure and other IT services and when required, to be responsible for the implementation of the plan for the network infrastructureTo regularly monitor the performance and security of the network infrastructure to ensure it is meeting the needs of IT service users and report issues as necessaryTo manage the external network connectivity ensuring capacity is monitored, issues are reported and measures taken to ensure that service disruptions are eliminatedTo develop and maintain accurate network configuration and management documentation.To manage the IP address allocations and maintain accurate recordsTo ensure that the network infrastructure is sufficiently scalable and flexible to meet the evolving needs of the company and to assist colleagues in the design and implementation of new IT systems and servicesDesign configuration and management of the wired network infrastructureDesign configuration and management of the wireless network infrastructureManagement of external network connectivity, fault tolerance and resilienceGeneral Conducting internal vulnerability assessments and penetration tests and the commissioning annual third-party (external and internal) vulnerability assessments and penetration testsProactive monitoring of the network and systems for security issues, intrusion detection, performance management and early detection of possible issuesIncident management 3Working closely with the wider IT team and Information Services department to design, implement and support new systems and services.To configure and manage centralised and automated solutions for systems management and software deployment.To configure and manage systems for Mobile Device Management and Network Access ControlLiaison with external service providers relating to the support of installed hardware and software solutionsNetwork and systems patch/update managementManagement of the fixed line (IP) telephony servicesAny other duties as reasonably requested by your line manager. Due to volume we can only respond to applications that reach the requirement