Network Security Specialist – L2

Global Relay; Greater London; On-site; GBP 50,000 - 70,000; Full time

Benefits offered by this job

Competitive compensation

Mentoring and coaching

Diverse and inclusive workplace

Job summary

A leading technology company in Greater London is looking for a Network Security Specialist – L2 to enhance their IT Network strategies. You will collaborate with IT Operations to design and secure high-availability systems. Ideal candidates should have over 5 years of experience and a solid understanding of network protocols and troubleshooting. The role emphasizes teamwork, and creative problem-solving, within an inclusive environment that values diverse ideas.

Qualifications

• Minimum of 5+ years’ experience in a Network Specialist capacity.
• Solid knowledge and experience in deploying and managing Linux.
• Proven ability to self-manage and balance assigned work.

Responsibilities

• Participate in the development and engineering of long-term strategies for the IT Network.
• Identify, troubleshoot, diagnose, and correct system-related issues.
• Support and evolve the monitoring and reviewing of system dashboards.

Skills

Network configuration of Aruba, HPE, Arista, or Cisco

Troubleshooting complex technical problems

Experience with VOIP and UC technologies

Experience with automation and scripting

Solid knowledge of network protocols

Education

ITSM Framework certifications such as ITIL

Tools

OpenStack

OpenShift

Zabbix

JIRA

Confluence

Jenkins

Job description

Who we are

For over 25 years, Global Relay has set the standard in enterprise information archiving with industry‑leading cloud archiving, surveillance, eDiscovery, and analytics solutions. We securely capture and preserve the communications data of the world’s most highly regulated firms, giving them greater visibility and control over their information and ensuring compliance with stringent regulations.

Though we offer competitive compensation and benefits and all the other perks one would expect from an established company, we are not your typical technology company. Global Relay is a career‑building company. A place for big ideas. New challenges. Groundbreaking innovation. It’s a place where you can genuinely make an impact – and be recognized for it.

We believe great businesses thrive on diversity, inclusion, and the contributions of all employees. To that end, we recruit candidates from different backgrounds and foster a work environment that encourages employees to collaborate and learn from each other, completely free of barriers.

Your role

The Network Security Specialist – L2 is responsible for assisting in engineering, long‑term strategies, planning, integration, and deployments pertaining to the IT Network. They will work closely with all members of the IT Operations team to continuously design, evolve, build, and ensure the integration, manageability, and security of highly available systems and applications. Working closely with other units, they will ensure that the design of Global Relay’s IT Networks integrate with other technologies such as storage, virtualization, containerization, and any and all systems and services.

Your responsibilities

• Participate in the development and engineering of long‑term strategies for the IT Network.
• Utilize ‘Systems Thinking’ to understand interdependencies both within the IT Network and Infrastructure, and throughout Global Relay’s interests.
• Work closely with Operations and Development teams to identify, troubleshoot, diagnose, and correct system‑related issues as they arise.
• Participate in formulating and implementing innovative techniques for achieving and maintaining a high level of client satisfaction in conjunction with organizational effectiveness.
• Collaborate with Operations and Development teams to identify opportunities for improved service, efficiency, security, and resiliency.
• Participate in strategic planning initiatives as well as selection, installation, operationalizing, and ongoing support of infrastructure enhancements.
• Participate and support change management activities.
• Provide support to business users and key stakeholders as needed.
• Participate in the creation of documentation including runbooks, how‑to user guides & technical how‑to support guides, and Method of Procedures (MoP).
• Support and evolve the monitoring and reviewing of system dashboards and critical alerts to ensure system issues are identified, escalated, and addressed as quickly as possible.
• Identify, evaluate and make recommendations on opportunities for the implementation of automation.
• Provide support for all Systems Administration, escalated incidents or problem related items.
• Utilize acquired knowledge to balance user requirements, available resources, organizational goals and objectives while striving to maintain top quality client service.

About you

• Minimum of 5+ years’ experience in a Network Specialist capacity.
• Experience with complex enterprise network architecture planning, design, and implementation.
• Experience with troubleshooting & resolving complex technical problems, management reporting, and documentation (how‑to, processes and procedures, MoP).
• Proven ability to self‑manage and balance assigned work meeting deliverables as scheduled.
• Solid knowledge and experience in deploying and managing Linux.
• Experience in network configuration of Aruba, HPE, Arista, or Cisco would be considered an asset.
• Experience in VOIP and UC technologies such as Cisco UC.
• Experience with Aruba wireless systems and ClearPass.
• Experience in automation and scripting.
• Experience provisioning, maintaining, and supporting enterprise networks, firewalls, and related dependencies.
• Experience with OpenSource software and/or service management tools and applications (OpenStack, OpenShift, Zabbix, JIRA, Confluence, Jenkins, etc.).
• Experience with implementing and leveraging automation in the delivery of system administration responsibilities.
• Solid knowledge of network protocols including TCP/IP, UDP, HTTP, FTP, ARP, ICMP, MPLS, BGP, EVPN, VXLAN, etc.
• Demonstrated ability to work both collaboratively in a team environment as well as independently in an effective and organized manner in a complex and challenging environment.
• Adaptability to work with multiple teams on projects with varying degrees of flexibility/rigidity at different points in the development cycle.
• Solid experience working in an environment with formally structured IT Operational processes, such as work request ticket management, incident management, change management, problem management, etc.
• Ability to take on internal operational initiatives as the owner and coordinator for projects or large scale items.
• ITSM Framework certifications such as ITIL, Sigma, SIAM or Methodology certifications such as Agile, Scrum, DevOps are considered a definite asset.

What you can expect

At Global Relay, there’s no ceiling to what you can achieve. It’s the land of opportunity for the energetic, the intelligent, the driven. You’ll receive the mentoring, coaching, and support you need to reach your career goals. You’ll be part of a culture that breeds creativity and rewards perseverance and hard work. And you’ll be working alongside smart, talented individuals from diverse backgrounds, with complementary knowledge and skills.

Global Relay is an equal‑opportunity employer committed to diversity, equity, and inclusion.

We seek to ensure reasonable adjustments, accommodations, and personal time are tailored to meet the unique needs of every individual.

To learn more about our business, culture, and community involvement, visit www.globalrelay.com.