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I'm seeking a Senior Network & Security Engineer to spearhead the design and deployment of cutting-edge networking solutions that drive my client's business forward. Working closely with the client's Global IT Team and reporting to the Global Head of IT, you will ensure network infrastructure is robust, scalable, and secure - ready to support current needs and future growth. Dublin-based, hybrid role.

What You'll Do:

Lead the design and implementation of scalable, agile network solutions aligned with business goals.

Troubleshoot complex issues related to routing, switching, security, and data centre environments.

Plan and execute network capacity upgrades to maintain optimal performance.

Refine and document network operations and processes.

Provide Tier 3 escalation support and lead root cause analysis for outages.

Manage and deliver infrastructure projects on schedule.

Support data centre network operations and enforce security and architectural standards.

Develop and maintain IT Security services, including firewall management, vulnerability scanning, malware protection, and penetration testing.

Address and remediate security risks identified through audits and assessments.

Collaborate with and mentor our network and security team in India on key projects.

What We're Looking For:

Bachelor's degree in Computer Science, IT, or a related field.

Industry certifications like CCNP, CISSP, or equivalent.

7+ years of hands-on experience in network design, implementation, and troubleshooting.

Expertise in routing, switching, Dell switches, and advanced network protocols.

Strong ability to architect scalable, secure network infrastructures.

Excellent communication skills for technical and non-technical audiences.

Experience managing SonicWall firewalls.

A proactive, self-motivated approach with a passion for knowledge-sharing and collaboration.

If you're interested, apply here and/or contact me at [email protected].

GCS is acting as an Employment Agency in relation to this vacancy.

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Job Title: Network Surveillance Engineer II

Client - Dish

Position - On-site

Contract - C2H

Location: Littleton, CO

Job Description:
Dish Network is expanding its wireless network services under Dish Anywhere, and we are seeking a highly skilled and motivated Network Surveillance Engineer. The Engineer will play a crucial role in maintaining, troubleshooting, and ensuring the optimal performance of Dish Network's wireless network infrastructure. The engineer will focus on Layer 1 troubleshooting while working with Radio Frequency (RF) deployments. Expertise in network transportation and protocols, particularly those related to routers, switches, and IP communication, is required.

Responsibilities:

Diagnose and troubleshoot physical connectivity issues within Layer 1 and Layer 2 OSI model to ensure the seamless operation of the network.Manage and troubleshoot network transport across routers and switches, ensuring the reliable and efficient transmission of data between network nodes.Work with dynamic routing protocols such as ISIS, OSPF (Open Shortest Path First) and BGP (Border Gateway Protocol) to manage and optimize the flow of network traffic.Work on transport technologies: SDH, DWDM, SON, ACI.Collaborate with internal teams (RF, Core, Cloud Infra, Tech Dev, Market Ops) and external vendors (e.g., AT&T, Zayo).Perform post-maintenance site health checks.Ensure transport network availability >99.50%.Uphold SLAs, KPIs, and support metrics with vendors and internal stakeholders.Collaborate with cross-functional teams to ensure the optimization and proper operation of Dish Network's wireless infrastructure.Work closely with Radio Frequency (RF) teams to troubleshoot and optimize wireless network deployments.Maintain detailed records of network issues, performance metrics, and troubleshooting actions taken.Respond to network outages and performance issues in a timely and efficient manner, ensuring minimal downtime and service disruptions.

Qualifications:

Strong experience with troubleshooting Layer 1 and Layer 2 network issues.Familiarity with radio frequency (RF) deployments and wireless network operations.Knowledge of network transportation and IP communication protocols.Expertise with routers, switches, and dynamic routing protocols such as ISIS, OSPF and BGP.Proficient in using network monitoring tools and diagnostic utilities.Strong analytical and problem-solving skills.Excellent communication skills and ability to collaborate effectively with cross-functional teams.Ability to work in a fast-paced environment and handle multiple tasks concurrently.

Desired Skills:

Experience with wireless networks and associated technologies.Certifications such as CCNA (Cisco Certified Network Associate) or similar are a plus.Experience with network security best practices and protocols.

GCS is acting as an Employment Business in relation to this vacancy.

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Location: Ireland (Hybrid)

Contract: Permanent

Responsibilities

Maintain and secure network infrastructure.

Support network design, configuration, and installation.

Manage firewalls and threat mitigation.

Provide advanced troubleshooting and support.

Perform system upgrades and security compliance tasks.

Document configurations and procedures.

Requirements

5+ years of experience in network security.

Strong knowledge of Cisco networking devices, Check Point firewalls, and security tools.

Experience with SD-WAN and network segmentation.

Relevant certifications preferred.

Strong troubleshooting and problem-solving skills.

GCS is acting as an Employment Agency in relation to this vacancy.

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