Sr. Network Administrator

Sr. Network Administrator

Chattanooga,United States

Contract

Skills

Palo alto

Cisco ASA

Load balancer- F5

Network firewall

·       Bachelor’s degree, or equivalent relevant business experience

·       Has 7+ years of related work experience

·       Industry certification is a plus

·       Possesses highly developed technical expertise in multiple key operating/networking system or subsystem areas

·       Able to operate independently in developing and implementing the most complex technical solutions

·       Where applicable, demonstrates experience supporting in-house developed business applications and working directly with application development teams

·       Able to leverage scripting and other tools to automate routine tasks

·       Through product research and personal experience, able to articulate strategy for appropriating various software and technologies to meet long range computing requirements

·       Has good human relations skills; able to work productively in team setting

·       Able to drive resolution of highly complex technical problems related to Network firewall – Palo alto, Cisco ASA, Load balancer- F5 (LTM, APM, GTM) , DNS/DHCP, NAC, AAA, ISE

·       Good working knowledge of cloud technologies- Azure, AWS, F5 WAF, Squid proxy

·       Able to effectively summarize and clearly communicate software/hardware problems involving multiple support team(s)

·       Organized, able to follow through and complete projects with minimal supervision.

·       Systematic, technically curious, self-motivated and able to work independently without direct supervision

·       Must be comfortable in a fast paced, multiple priority environment

·       Able to prioritize and divide time between multiple projects

·       Has excellent written and verbal communications skills; able to communicate effectively with systems associates at all levels

·       Able to communicate with multiple levels of organizational leadership and deliver impactful presentations

·       Able to collaborate with other IT groups for requirements on the topic of expertise

Principal Duties and Responsibilities

·       Configure and install various network devices and services (e.g., Firewall, Load balancer, IPAM, NAC, ACS, AAA )

·       Configuration and troubleshooting of highly complex technical problems related to Network firewall – Palo alto, Cisco ASA, Load balancer- F5 (LTM, APM, GTM) is must.

·       Able to configure and troubleshoot issues related to DNS/DHCP, NAC, AAA, ISE

·       Good working knowledge of cloud technologies- Azure, AWS, F5 WAF, Squid proxy

·       Good working knowledge of routing protocols

·       Perform network maintenance and system upgrades including service packs, patches, hot fixes and security configurations

·       Monitor performance and ensure system availability and reliability

·       Monitor system resource utilization, trending, and capacity planning

·       Provide Level-2/3 support and troubleshooting to resolve issues

·       Work within established configuration and change management policies to ensure awareness, approval and success of changes made to the network infrastructure

·       Select and implement security tools, policies, and procedures in conjunction with the company’s security team

·       Liaise with vendors and other IT personnel for problem resolution

·       Plan and execute in depth technical activity, influencing the direction of activities/plans and providing technical insight and guidance to others

·       Investigate and help resolve issues on customer’s network and IT estates using agreed troubleshooting methodologies

·       Manage support cases to enable fast resolution that exceeds our customers’ expectations

·       Ensuring accurate recording of all cases using the Company’s ticket management tool and closing within agreed timeframes

·       Using the central document repository, to ensure knowledge sharing across the team and enable best practice

·       Supporting and taking ownership of ad-hoc projects

·       Supporting wider team with knowledge share, via knowledge base communications (emails, how-to guides etc.) and contribution at team meetings