Senior Network Engineer

TEKsystems; Dublin; Hybrid; EUR 70,000 - 100,000; Full time

Benefits offered by this job

Large exposure

Job summary

TEKsystems in Dublin, Ireland is seeking a Senior Network Engineer to support and develop enterprise-scale network infrastructure, including Cisco Nexus, ASA and F5 in a data‑centre environment.

You will provide expert-level BAU support and contribute to strategic projects, with a hybrid work model (3 days on-site, 2 remote) and a contract of 12 months. Relevant Cisco ITIL practices and vendor coordination are expected.

Qualifications

• CCNP with routing and switching or security certification.
• Hands-on experience with Cisco Nexus, ASA and F5 in a data centre.
• Experience in ITIL processes in a 24x7 operations environment with tight SLA.
• Strong network design and management skills including VPNs and firewalls.
• Experience with Cisco ASR, Nexus, F5 LTM, DNS load balancers.

Responsibilities

• Provide expert-level support for the network infrastructure that underpins data center services.
• Monitor, review and report network service levels; address issues and trends.
• Complete network activities on time; align with schedules.
• Work with architects and PMs to identify, assess and present network solutions.
• Build and deploy agreed solutions within timelines.
• Develop, implement and test disaster recovery and failover plans.
• Maintain acceptance criteria for network solutions; ensure production transition readiness.
• Ensure 24x7 monitoring for availability, capacity and performance.
• Monitor capacity and proactively address potential issues.
• Follow events, incidents and requests processes; ensure timely handling.
• Ensure compliance with security policies; document networks and runbooks.
• Maintain relationships to maximize collaboration and service improvements.
• Lead or assist with service improvements and automation opportunities.
• Provide consultation to customers on in-life solutions.

Skills

CCNP

Nexus/ASA/F5

Cisco ASA

F5 LTM

Load balancing

VPN

ITIL

Networking design

Remote access VPN

Education

CCNP routing and switching

Tools

Nagios

Cacti

Puppet

Job description

This is a fantastic opportunity to join a market-leading organisation, working with enterprise-scale Cisco Nexus, ASA and F5 technologies. You'll be involved in both BAU support and strategic infrastructure projects while expanding your technical expertise in a highly visible environment.

Role: Network Engineer

Hybrid: 3 days on-site, 2 remotely

Contract: 12 Months

Key Responsibilities

• Provide expert-level support for the network infrastructure that underpins our data center based services.
• Ensure that network service levels are monitored, reviewed and reported on a regular basis, and that the necessary steps are taken to resolve any issues or negative trends that may be identified.
• Ensure that network and related activities are completed within agreed timelines and/or in line with agreed schedules.
• Work with technical architects, project managers and other stakeholders to identify, assess, select and present appropriate network solutions for their needs.
• Build and deploy agreed solutions within specified timelines.
• Develop, implement and test disaster recovery and/or network fail-over plans as required.
• Maintain operational acceptance criteria for network solutions to be supported by the hosting team, and work with the appropriate delivery teams to ensure that these are met before transition into production.
• Ensure that network and associated service components under management are monitored 24x7 for availability, capacity and performance.
• Monitor and report on network capacity across all network elements, and pro-actively identify and address potential issues in a timely manner.
• Ensure that agreed network and access processes are followed and, in particular, that events, incidents and requests are dealt with in a timely manner using the appropriate operational processes and tools.
• Ensure ongoing compliance with network and related security policies
• Ensure that network and related solutions are documented, including network diagrams, "as-built" configurations, IP address data, and support procedures e.g. "how to fail-over a connection", etc.
• Maintain good relationships with other team members, other teams, customers and suppliers in order to maximize team working and collaboration.
• Continue to look for ways that the service can be improved and, where agreed, lead or assist with the implementation of service improvements. In particular, focus on service automation opportunities in line with the wider hosted services strategy and available tools; continue to optimize performance, efficiency and utilization.
• Provide consultation to customers and stakeholders on in-life customer solutions.

Experience / Qualifications Required

• Minimum of CCNP with routing and switching or security certification
• Strong knowledge and hands-on Experience of configuring, troubleshooting and supporting Cisco and F5 networking equipment in a datacentre environment, specifically Cisco Nexus switches, Cisco ASA firewalls, F5 LTM and DNS load balancers.
• Strong network design and management skills and Experience, including setting up firewall rules, dynamic routing, load balancing, intrusion detection and prevention, setting up remote access and site-to-site VPNs.
• Strong practical Experience of following ITIL processes in a 24x7 operations environment with tight SLA and security compliance requirements.
• Practical Experience with the majority of:
  • Cisco Nexus 7000/9000 series, NX-OS, IOS, VDC, VPC, HSRP, STP, NTP, logging, port channels, layer 3 switching
  • Cisco ASR (100x), IOS, XE, OSFP, BGP, VRF, NTP, logging
  • Cisco ASA, IPS, ASAv, Multi-context, , IPSEC VPN, Anyconnect SSL VPN, NAT, ACLs
  • F5 LTM, route domains, partitions, pools, nodes, irules, GTM - DNS Management, GLB

Desirable skills:

• Good client and relationship management ability with excellent oral and written communication and presentation skills
• Able to demonstrate flexibility, motivation as well as excellent problem solving and team working
• Knowledge of service monitoring and alerting (Nagios, Cacti preferred).
• Knowledge of configuration management (Puppet preferred).
• Ability to manage 3rd party vendors e.g. F5, Cisco, Kemp
• ITIL knowledge and practical application
• Experience in hosting providers, MSPs, or regulated environments

Skills

• Load balancer
• Monitoring

Employee Value Proposition

Working with a huge company and large exposure.

Job Title

Senior Network Engineer

Location

Dublin, Ireland

Job Type

Contract

Employer Information

Trading as TEKsystems. Allegis Group Limited. Level 1, The Chase, Carmanhall Road, Sandyford, Dublin 18, Ireland. No. 909257. TEKsystems is a company within the Allegis Group network of companies (collectively referred to as "Allegis Group"). Aerotek, Aston Carter, EASi, Talentis Solutions, TEKsystems, Stamford Consultants and The Stamford Group are Allegis Group brands. If you apply, your personal data will be processed as described in the Allegis Group Online Privacy Notice available at https://www.allegisgroup.com/en-gb/privacy-notices. To access our Online Privacy Notice, which explains what information we may collect, use, share, and store about you, and describes your rights and choices about this, please go to https://www.allegisgroup.com/en-gb/privacy-notices. We are part of a global network of companies and as a result, the personal data you provide will be shared within Allegis Group and transferred and processed outside the UK, Switzerland and European Economic Area subject to the protections described in the Allegis Group Online Privacy Notice. We store personal data in the UK, EEA, Switzerland and the USA. If you would like to exercise your privacy rights, please visit the "Contacting Us" section of our Online Privacy Notice at https://www.allegisgroup.com/en-gb/privacy-notices for details on how to contact us. To protect your privacy and security, we may take steps to verify your identity, such as a password and user ID if there is an account associated with your request, or identifying information such as your address or date of birth, before proceeding with your request. If you are resident in the UK, EEA or Switzerland, we will process any access request you make in accordance with our commitments under the UK Data Protection Act, EU-U.S. Privacy Shield or the Swiss-U.S. Privacy Shield.