Senior Systems and Network Administrator

Location:
Borehamwood
Job Type:
Permanent
Industry:
Cloud & Infrastructure
Job reference:
BBBH147600_1637769330
Posted:
14 days ago

ROLE: Senior Network and Systems Administrator

TYPE: Perm

LOCATION: Borehamwood

SALARY: £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 hardware

o The Hyper-V virtualisation environment

o 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 services

  • To ensure the security of the systems infrastructure and the data when in transit, during processing and whilst at rest
  • To 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 systems
  • To 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 2
  • To 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 etc
  • To manage the security certificates ensuring their timely renewal
  • To develop and maintain accurate systems management documentation
  • To assist with the design and implementation of IT systems and wider IT department project implementation as required
  • To ensure that the systems infrastructure and storage solutions are sufficiently flexible and scalable to meet the evolving needs
  • Active Directory design configuration and management including group policy
  • Design management and support of the data storage infrastructure
  • Configuration, management and support of the virtual and physical server environment
  • Configuration, management and support of the cloud systems, including O365, Azure and other third party systems
  • Plan and implement the migration of the systems from on-premises to cloud

Networking

  • 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 configuration
  • To 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 devices
  • To assist in the development of IT systems continuity planning and implementation in support of the business continuity plans
  • To 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 infrastructure
  • To 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 necessary
  • To manage the external network connectivity ensuring capacity is monitored, issues are reported and measures taken to ensure that service disruptions are eliminated
  • To develop and maintain accurate network configuration and management documentation.
  • To manage the IP address allocations and maintain accurate records
  • To 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 services
  • Design configuration and management of the wired network infrastructure
  • Design configuration and management of the wireless network infrastructure
  • Management of external network connectivity, fault tolerance and resilience

General

  • Conducting internal vulnerability assessments and penetration tests and the commissioning annual third-party (external and internal) vulnerability assessments and penetration tests
  • Proactive monitoring of the network and systems for security issues, intrusion detection, performance management and early detection of possible issues
  • Incident management 3
  • Working 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 Control
  • Liaison with external service providers relating to the support of installed hardware and software solutions
  • Network and systems patch/update management
  • Management of the fixed line (IP) telephony services
  • Any other duties as reasonably requested by your line manager.

Due to volume we can only respond to applications that reach the requirement

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