Senior Network Administrator

Job description

We are looking for a skilled and proactive Network Administrator to join our team. If you’re passionate about managing robust, secure, and efficient Senior Network infrastructure and are ready to contribute to a dynamic international environment, we’d love to hear from you. Key Responsibilities: Own the administration, stability, and continuous improvement of a 24/7 production network infrastructure, ensuring high availability, performance, and resilience. Design, implement, and evolve network solutions in line with business, hardware, and software requirements, with attention to scalability and fault tolerance. Act as a senior escalation point for complex network incidents, leading deep troubleshooting and root cause analysis to restore service and prevent recurrence. Install, configure, optimize, and support enterprise network hardware, including switches, routers, and firewalls (Cisco, Checkpoint). Participate in the planning and execution of infrastructure projects, system upgrades, and network changes in collaboration with other IT teams. Assess change impact, define implementation steps, and support change management activities in production environments. Maintain accurate and up-to-date documentation of network architecture, configurations, standards, and operational procedures. Contribute to operational readiness activities, including patch management, backup and recovery validation, and disaster recovery preparedness. Provide on-call and remote support outside standard office hours on a scheduled rotation, responding to critical incidents within a 24/7 operational environment. Experience : Minimum of 4+ years of hands-on experience supporting enterprise networks in a 24/7 production environment, with exposure to complex, business-critical systems. Technical Skills : Strong practical expertise in TCP/IP networking, including packet flow, troubleshooting, and protocol behavior. Solid understanding of LAN and WAN architectures, service operation principles, and network performance considerations. Hands-on experience with Layer 2 and Layer 3 switching and routing in enterprise environments. Advanced understanding of IP addressing and subnetting, including scalable and structured addressing design. Working experience with dynamic routing protocols, including OSPF, iBGP, and eBGP, and their use in resilient network designs. Experience with network monitoring, configuration management, and operational tools, supporting stability and standardization. Practical knowledge of network security concepts, including firewall architectures and IPsec VPNs. Experience working with data center network infrastructure, including Cisco Nexus platforms, FEX, and VSS, in high-availability setups. Soft Skills : Excellent problem-solving skills and the ability to work collaboratively within a team environment. Ability to work independently and take ownership of technical tasks and projects from design through implementation. Clear and structured communication skills, with the ability to explain technical topics, operational issues, and procedures unambiguously. Comfortable collaborating with technical and non-technical teams across different areas of responsibility in a production environment. Language Skills: Strong professional English communication skills, both written and verbal. Ability to participate confidently in technical discussions, produce clear technical documentation, and collaborate effectively with international colleagues and stakeholders. Preferred Qualifications: Hands-on experience with Cisco and Check Point network and security equipment. Relevant certifications are considered a plus (e.g., CCNA, CCSA). Highly collaborative environment with a wide range of expertise. Work in an international and fast-growing industry. Career growth opportunities. Health insurance after the probationary period. Friendly colleagues and engaging team-building events. Playtech Lima is part of Playtech - the world's largest online gaming software supplier traded on the London Stock Exchange Main Market Playtech offers cutting-edge, value added solutions to the industry's leading gaming operators. Since Playtech's inception in 1999, our approach has been centered on continual development. Playtech Lima represents Playtech Live product, and our studios contain hundreds of state-of-the-art cameras, broadcasting in premium HD quality, offering the fastest streaming and highest up-time in the market.