Manage and maintain complex global network infrastructure, including F5 BIG-IP, Cisco, and HPE Aruba platforms. Investigate and resolve network outages, performance issues, and security incidents; perform upgrades, configuration changes, monitoring, and on-call support. Lead automation initiatives using Python and Ansible, maintain technical documentation, and collaborate with systems, security, and application teams. The role requires 5–7 years of experience and professional vendor certifications are preferred.
We are seeking a highly skilled and motivated Network Administrator to join our dynamic team. The ideal candidate will possess exceptional problem-solving abilities and a strong background working in complex network infrastructures. This role is crucial for ensuring the stability, performance, and security of our enterprise network. The successful candidate will be a key contributor to our operations team, handling escalations, leading incident response, and driving continuous improvement.
Responsibilities:
- Incident and Problem Management: Investigation and resolution of complex network problems, including performance degradation, outages, and security incidents.
- Network Operations & Maintenance: Proactively monitor, maintain, and troubleshoot our global network infrastructure. Perform routine maintenance, software upgrades, and configuration changes on network devices to ensure optimal performance and reliability.
- Technical Expertise:
- F5 BIG-IP: Configure and manage F5 BIG-IP platforms, including LTM (Local Traffic Manager), GTM (Global Traffic Manager), and ASM (Application Security Manager). Experience with iRules and iApps development is highly desirable.
- Cisco Route/Switch: Hands-on experience with Cisco IOS, IOS-XE, and NX-OS. Understanding of routing protocols (BGP, OSPF, EIGRP), switching technologies (VLANs, STP, VTP), and network security features (ACLs, NAT).
- HPE Aruba: Configure, deploy, and manage HPE Aruba wireless and switching solutions. Experience with Aruba Mobility Controllers, AirWave, and ClearPass Policy Manager is essential.
- Automation & Scripting: Drive network automation efforts using scripting languages (e.g., Python, Ansible) to streamline operational tasks and improve efficiency.
- Documentation: Create and maintain comprehensive network documentation, including diagrams, runbooks, and standard operating procedures (SOPs).
- Collaboration: Work closely with cross-functional teams, including systems, security, and application development, to support business initiatives and resolve inter-departmental issues.
- On-Call Support: Participate in an on-call rotation to provide 24/7 support for critical network issues.
Qualifications:
- Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.
- Minimum of 5-7 years of experience, with at least 2-3 years in an operations role.
- Certifications: Professional-level certifications from vendors such as Cisco (e.g., CCNP Enterprise, CCNP Data Center), F5 (e.g., F5-CA), or HPE Aruba (e.g., ACSA, ACDA) are highly preferred.
- Problem-Solving Skills: Proven track record of strong analytical and problem-solving skills with the ability to quickly diagnose and resolve complex network issues under pressure.
- Communication: Excellent verbal and written communication skills with the ability to explain complex technical concepts to both technical and non-technical audiences.
- Teamwork: Ability to work independently and as part of a team in a fast-paced, collaborative environment.
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