SME Infoblox Network Administrator

unisys

2 - 5 years

Bengaluru

Posted: 07/06/2025

Job Description

What success looks like in this role:

  • Provide Tier3 support.
  • Perform fault isolation and resolution in a methodical and thorough manner in accordance with SLA.
  • Remotely support customers and/or onsite technicians.
  • Configuration management of Local Area Networks (LANs), Wide Area Networks (WANs), Wireless (LANs), network segments, security devices and Internet and Intranet systems to ensure operability.
  • Ability to implement, administer, and troubleshoot network infrastructure devices, including wireless access points, routers, switches, controllers and Infoblox.
  • Assist with configuration within Infoblox appliances.
  • Configure DNS (Domain Name System)/Ultra DNS, DHCP, IPAM, and other Infoblox services as per the requirements.
  • Ensure integration with existing network infrastructure and systems.
  • Management of Grid master pairs. Import the Zone to Infoblox.
  • Create a new authoritative zone on Infoblox (NIOS – Network Identity Operating System).
  • Configure Primary Zone, DNS forward zone, DNS reverse zone and Configure forwarders.
  • Dynamic DNS registration (DDNS), GSS-TSIG & Keytab file creation.
  • Configure Infoblox as the Authoritative NTP. Sync the NTP to the external time server, Fix time drift on the NTP.
  • Apply patches, updates, and security fixes in a timely manner as needed based on the vendor’s recommendations.
  • Monitor system performance, availability, and capacity to identify and address any issues.
  • Monitor and fix any Sync issue between the Grid Master (HA Pairs).
  • Manage IP Scheme and Update the IP address information.
  • Create and maintain new DHCP scope and configure DHCP options.
  • Enable Device administration, DHCP lease history, Utilization, and audit logs.
  • Set/grant required permissions for reporting and analytics app.
  • Offload DNS from AD and Migrate to Infoblox
  • Enable Zone-Transfer on the Windows-DNS
  • Leverage NIOS DNS Traffic Control for DNS Load balancing
  • Configure/Manage NIOS Response Policy Zones.
  • Configure Infoblox DNS views as per customer requirement
  • Manage Bloxone Threat defense, Threat Analytics - Cloud & NIOS
  • Manage Bloxone DNS Forwarding Proxies for NIOS
  • Manage domains on CSC registrar and DNS zones on UltraDNS
  • Domain transfer In/Out - CSC
  • Order/renew/re-issue SSL certificates – CSC
  • Maintaining and predesign documents for all network infrastructure.
  • Maintains on-call availability to respond to network issues and up-time; must be flexible and available with the scheduling
  • Plan and implement network changes as per the ITIL change management process
  • Meet and exceed customer SLA or OLA metrics.
  • Work with third party vendors to remediate and resolve customer issues.

#LI-CM1

You will be successful in this role if you have:

  • Minimum 8 years of technology experience in a networking environment.
  • ITIL foundation knowledge and certification.
  • Hand-on experience in Infoblox, routers, switches, and wireless controllers (Cisco, Aruba, and Meraki)
  • Good knowledge in Microsoft Azure or AWS.
  • Should be proficient in Network Automation.
  • Professional level certification in one or more fields. (CCNP, DDI professional)
  • Proficient with standard troubleshooting practices and methodologies.
  • Proficient with Infoblox and networking technology.
  • Strong understanding of network infrastructure and network hardware.
  • Ability to think through problems and visualize solutions.
  • Knowledge of application transport and network infrastructure protocols.
  • A self-starter able to work independently but comfortable working in a team environment.
  • Good analytical and problem-solving skills.

Unisys is proud to be an equal opportunity employer that considers all qualified applicants without regard to age, blood type, caste, citizenship, color, disability, family medical history, family status, ethnicity, gender, gender expression, gender identity, genetic information, marital status, national origin, parental status, pregnancy, race, religion, sex, sexual orientation, transgender status, veteran status or any other category protected by law.

This commitment includes our efforts to provide for all those who seek to express interest in employment the opportunity to participate without barriers. If you are a US job seeker unable to review the job opportunities herein, or cannot otherwise complete your expression of interest, without additional assistance and would like to discuss a request for reasonable accommodation, please contact our Global Recruiting organization at GlobalRecruiting@unisys.com or alternatively Toll Free: 888-560-1782 (Prompt 4).  US job seekers can find more information about Unisys’  EEO commitment here.

About Company

Unisys is a global IT services and consulting company that focuses on digital transformation solutions for businesses. It offers services in cloud computing, cybersecurity, and data analytics, aiming to help organizations enhance their operational efficiency and modernize their technology infrastructure.

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