Role: - Sr. Network Administrator - Security Location: - Chattanooga, TN - Day 1 OnsiteGeneral : Sr. Network Engineer to design, implement, maintain, and support growing network infrastructure. Requires working knowledge of multiple computing platforms (including physical, virtual, and cloud.) This position works independently, and as part of the Network Infrastructure Team, and subject to the broad direction of a technical manager.
Job Specifications - 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