618 Senior Network Administrator jobs in India

1.Cisco routing experience is must

2.Firewall experience is must

3.Palo alto experience is must

4. Panorama

5. Experience working with ISP vendors

1. Juniper knowledge

2. ITILknowledge

Dear Candidates,

Greetings from TCS!

TCS is looking for Network Administrator

Experience: 5-10 years

Location: Pune

Date of interview: 10/10/2025

Mode of interview: Virtual

Required Technical Skill sets: Cisco Switching, Routing, Meraki SD-WAN, Cisco Catalyst Switches, Cisco DNA Center, Cisco ISE

Must have skills:

• Strong knowledge and hands-on experience with Cisco Switching, Routing, Meraki SD-WAN, Cisco Catalyst Switches, Cisco DNA Center, Cisco ISE
• CCNA Certification
• CCNP Switching and Routing/CCNP Enterprise Certification

Good to have skills:

• Meraki ECMS Certification
• CCIE Network Certification
• Knowledge of Cisco SASE solutions
• Knowledge of ITIL processes and practices.

Responsibility of / Expectations from the Role:

• Experience providing expert level Tier 3 support while mentoring less experienced technicians.
• Uses sound judgment when making decisions and dealing with others.
• Able to handle customer and interaction with them to understand their need and provide them with technical solution using expertise
• Able to design and implement technical solution under Meraki SD-WAN, Cisco Catalyst switches, Cisco DNA Center
• Strong knowledge of network protocols (e.g., TCP/IP, STP, VTP, HSRP, VRRP, EIGRP, OSPF, BGP, etc.) and network technologies (e.g., Cisco Catalyst Switches, Meraki SD-WAN, Cisco WLAN).
• Excellent problem-solving skills and the ability to work independently.
• Strong communication skills, with the ability to collaborate with technical and non-technical customers.
• Proficient in network monitoring and ticketing tools
• Provide expert-level troubleshooting support for network-related issues and proactively identify areas for improvement.

Your potential, unleashed.

India’s impact on the global economy has increased at an exponential rate and Deloitte presents an opportunity to unleash and realize your potential amongst cutting edge leaders, and organizations shaping the future of the region, and indeed, the world beyond.

At Deloitte, your whole self to work, every day. Combine that with our drive to propel with purpose and you have the perfect playground to collaborate, innovate, grow, and make an impact that matters.

The team

The Information Technology department is responsible for building products and platforms for Deloitte India that focuses on providing extraordinary customer experience by putting design thinking with trailblazing technology in the center of what they do. The diverse team consists of subject matter experts, technology specialists, quality engineers, user experience researchers & designers, data scientists and product managers.

Your work profile

As a Deputy Manager in our IT – Network design and build Team you’ll build and nurture positive working relationships with teams and clients with the intention to exceed client expectations: -

Desired qualifications

• CCNA/ CCNP certification with 6 - 8 years of proven experience in network Design and Build .
• Strong Hands-on experience in Routing, Switching and Wireless Technology .
• Expertise on Data center infrastructure, SD WAN and Network Security Technology.
• Expertise in Problem Solving skills to Troubleshoot and handle network complex architecture.
• Experience in Project Management with a focus planning, coordinating and executing network design and projects, Documentation.
• Excellent communication and collaboration skills to work efficiently with Cross-Function teams and stakeholders.
• Working with Business team to understand the requirement and design a solution for them.

Location and way of working

• Base location: Bangalore
• Hybrid is our default way of working. Each domain has customized the hybrid approach to their unique needs.

Your role as a Deputy Manager

We expect our people to embrace and live our purpose by challenging themselves to identify issues that are most important for our clients, our people, and for society.

In addition to living our purpose, AM/DM across our organization must strive to be:

• Inspiring - Leading with integrity to build inclusion and motivation
• Committed to creating purpose - Creating a sense of vision and purpose
• Agile - Achieving high-quality results through collaboration and Team unity
• Skilled at building diverse capability - Developing diverse capabilities for the future
• Persuasive / Influencing - Persuading and influencing stakeholders
• Collaborating - Partnering to build new solutions
• Delivering value - Showing commercial acumen
• Committed to expanding business - Leveraging new business opportunities
• Analytical Acumen - Leveraging data to recommend impactful approach and solutions through the power of analysis and visualization
• Effective communication – Must be well abled to have well-structured and well-articulated conversations to achieve win-win possibilities
• Engagement Management / Delivery Excellence - Effectively managing engagement(s) to ensure timely and proactive execution as well as course correction for

the success of engagement(s)

• Managing change - Responding to changing environment with resilience
• Managing Quality & Risk - Delivering high quality results and mitigating risks with utmost integrity and precision
• Strategic Thinking & Problem Solving - Applying strategic mindset to solve business issues and complex problems
• Tech Savvy - Leveraging ethical technology practices to deliver high impact for clients and for Deloitte
• Empathetic leadership and inclusivity - creating a safe and thriving environment where everyone's valued for who they are, use empathy to understand others to adapt our behaviors and attitudes to become more inclusive.

How you’ll grow

Connect for impact

Our exceptional team of professionals across the globe are solving some of the world’s most complex business problems, as well as directly supporting our communities, the planet, and each other. Know more in our Global Impact Report and our India Impact Report .

Empower to lead

You can be a leader irrespective of your career level. Our colleagues are characterised by their ability to inspire, support, and provide opportunities for people to deliver their best and grow both as professionals and human beings. Know more about Deloitte and our One Young World partnership.

Inclusion for all

At Deloitte, people are valued and respected for who they are and are trusted to add value to their clients, teams and communities in a way that reflects their own unique capabilities. Know more about everyday steps that you can take to be more inclusive. At Deloitte, we believe in the unique skills, attitude and potential each and every one of us brings to the table to make an impact that matters.

Drive your career

At Deloitte, you are encouraged to take ownership of your career. We recognise there is no one size fits all career path, and global, cross-business mobility and up / re-skilling are all within the range of possibilities to shape a unique and fulfilling career. Know more about Life at Deloitte.

Everyone’s welcome… entrust your happiness to us

Our workspaces and initiatives are geared towards your 360-degree happiness. This includes specific needs you may have in terms of accessibility, flexibility, safety and security, and caregiving. Here’s a glimpse of things that are in store for you.

Interview tips

We want job seekers exploring opportunities at Deloitte to feel prepared, confident and comfortable. To help you with your interview, we suggest that you do your research, know some background about the organisation and the business area you’re applying to. Check out recruiting tips from Deloitte professionals.

Role:Network Engineer

Location:Chennai/Pune

Exp:7-12 yers

Notice period: 0-45 days Preffered

Drive Date:17-Oct-25(Virtual)

Essential skills:

• Minimum 5 years of experience in Datacenter networking domain
• Ability to set direction and prioritize work and resources based operational and client needs.
• Datacenter Networking Cisco product and technology knowledge.
• Ability to analyze, design and collaborate multiple Layer network Architecture.
• ITIL based support team with 24x7 support operations
• Reviews functional and technical designs to identify areas of risk and/or missing requirements.
• Cisco CCNP certification or equivalent knowledge
• Excellent understanding of Cisco ACI architecture (hands-on experience in Cisco ACI is a must )
• Excellent understanding of Cisco Nexus 7/5/2k architecture
• Expertise in routing and switching
• Expertise in implementing advance IOS and NX-OS features
• Expertise in LAN,WAN,MPLS and Internet technologies
• Experience in conducting datacentre network tests
• Experience in scripting and automating daily tasks
• Excellent troubleshooting skills
• Excellent written and verbal communication
• Good knowledge in various cloud platforms (Azure, Google Cloud etc.)

Role – Network Administrator

Years of experience – 3 to 5 years

Location – Indore, MP (Will require extensive travel to international locations)

Job Description:

The Network Administrator role involves maintaining our local and wide area networks.

The Network Administrator works to ensurethe reliability and performance of all network devices, including routers, switches, and firewalls, as well as related services such as DHCP and DNS.

The position requires experience in evaluating, configuring, and troubleshooting network architectures, and a working knowledge of associated peripherals and services. The successful candidate must possess excellent troubleshooting and communication skills, as they will be addressing customer requests, performing network configurations, and providing technical support.

Roles and Responsibilities

• Experience working on Switches and routers (Cisco catalyst, Nexus, Dell Switches Preferred)
• VPC, HSRP and STP configuration.
• Network device security configuration.
• UTM and Firewall configuration and maintenance (Sonicwall, Fortigate)
• VPN configuration and troubleshooting.
• Design network security as per the requirement of customer.
• Monitoring of network devices.8.Use automation for network deployments.
• Diagnose customer reported problems or configuration issues and recommend possible solutions within agreed SLAs.
• Provide technical reviews of network documentation,
• Creating network design document such as HLD and LLDs12.Evaluation of new technology.

The ideal candidate should have the following:

• In depth & practical knowledge in Routing, Switching, Topologies & Protocols.
• Experience in Installation, configuration, Troubleshooting & Maintenance of Cisco/Aruba Switching in Core/Distribution/Access topology and Spine & Leaf Topology
• Experience in implementation and Handling Network Security devices like Firewall, Anti-DDoS, LLB, ADC, WAF, NIPS, Anti-APT etc. from Fortinet / Palo Alto / Checkpoint.
• Experience in Monitoring, Troubleshooting & Fixing of of the Network at Customer Premise/DC.
• Experience in OEM coordination for implementation, troubleshooting of Networking Devices
• Co-ordination skill with customer & stakeholders for any Network related issue and providing necessary suggestion/solution.

Shift: Rotational shift between morning and afternoon shift

Location: Pune (hybrid)

Role & responsibilities

• Manage day-to-day IT infrastructure Operations
• Assist SME / L3 teams on an ad hoc basis or as per requirement. For example, change validation, report updates etc.
• Daily device health check monitoring and performing/validating device backups at regular intervals.
• Network performance monitoring, packet capture and analysis
• Investigating technical incidents and providing remedies where necessary, taking proactive ownership alerts/ events. Working with vendor TAC teams for root cause analysis where required.
• Vendor Coordination (Hardware replacements, ISP Circuit issues, Cabling & Touch services support teams)
• Completes work assignments and supports business-specific projects by applying expertise in subject area; supporting the development of work plans to meet business priorities and deadlines; ensuring team follows all procedures and policies; coordinating and assigning resources to accomplish priorities and deadlines; collaborating cross-functionally to make effective business decisions; solving complex problems; escalating high priority issues or risks, as appropriate; and recognizing and capitalizing on improvement opportunities.
• Practices self-development and promotes learning in others by proactively providing information, resources, advice, and expertise with coworkers and customers; building relationships with cross-functional stakeholders; influencing others through technical explanations and examples; adapting to competing demands and new responsibilities; listening and responding to, seeking, and addressing performance feedback; providing feedback to others and managers; creating and executing plans to capitalize on strengths and develop weaknesses; supporting team collaboration; and adapting to and learning from change, difficulties, and feedback.
• Meets timelines to drive the delivery of appropriate, sustainable, and prompt solutions.
• Assists technical and project team members to resolve system problems and application-specific issues.
• Supports the stability, availability, and performance of enterprise systems (e.g., systems, applications, network, databases, storage, security) by performing complex systems analysis to identify problems, trends, and opportunities for improvement.
• Escalates unresolved or critical issues, risks or problems to L3 team, raising a TAC case with vendor and working along with TAC engineer and L3 team.
• Supports communications with product users and suppliers to share information, identify opportunities, resolve problems, prioritize customer requirements, and maintain continuous improvement through customer feedback.
• Plan and perform complex system configurations
• Creates documentation of new and existing system configurations and procedural information and ensures system configuration documentation is complete and accurate.
• Plans the implementation of hardware and software changes into environments and one or more additional IT production environments by performing impact analyses of system changes.
• Supports vendor support activities, as appropriate.
• Participates in and influences change management processes.
• Supports the development of guidelines to prevent and/or resolve recurring problems.
• Recommends and executes performance tuning and optimization activities.

Mandate skills:

• Routing and switching
• Cisco ACI
• SD WAN
• Nexus

*Looking for early joiners, Max Notice period upto 30 days.

• Install, configure, and maintain network hardware and software, including routers, switches, firewalls, and VPNs.
• Monitor network performance and troubleshoot issues to ensure optimal connectivity and minimal downtime.
• Implement and manage network security measures to protect against unauthorized access and cyber threats.
• Perform regular network backups and disaster recovery operations.
• Develop and maintain comprehensive network documentation, including diagrams, configurations, and procedures.
• Provide technical support and guidance to end-users regarding network connectivity and related issues.
• Plan and execute network upgrades and enhancements to improve performance and scalability.
• Stay up-to-date with the latest networking technologies, security threats, and best practices.
• Manage IP addresses, subnetting, and domain name systems (DNS).
• Collaborate with other IT team members on infrastructure projects and system integrations.
• Respond to network alerts and incidents promptly and effectively.
• Conduct network performance analysis and generate reports for management.
• Ensure compliance with company policies and industry regulations related to network management and data security.

• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.
• Minimum of 3-5 years of experience in network administration and support.
• Proficiency in network hardware configuration (Cisco, Juniper, etc.) and network protocols (TCP/IP, OSPF, BGP).
• Strong understanding of network security principles, including firewalls, VPNs, and intrusion detection/prevention systems.
• Experience with network monitoring tools (e.g., Nagios, Zabbix, SolarWinds).
• Excellent troubleshooting and problem-solving skills.
• Ability to work independently, manage time effectively, and meet deadlines in a remote setting.
• Strong communication and interpersonal skills, with the ability to explain technical concepts clearly.
• Relevant certifications such as CCNA, CCNP, or Network+ are highly desirable.
• Experience with cloud networking environments (AWS, Azure) is a plus.

• Install, configure, and maintain telecommunications network hardware and software.
• Monitor network performance, availability, and security.
• Troubleshoot and resolve network issues, including connectivity and performance problems.
• Implement and manage network security measures, such as firewalls and VPNs.
• Manage VoIP systems, including configuration and user support.
• Perform regular system backups and implement disaster recovery procedures.
• Ensure network infrastructure is up-to-date with the latest patches and firmware.
• Develop and maintain network documentation, diagrams, and asset inventory.
• Collaborate with vendors and service providers for network solutions.
• Provide technical support to end-users regarding network-related issues.
• Conduct capacity planning to ensure network scalability and reliability.

• Bachelor's degree in Computer Science, Information Technology, Telecommunications, or a related field.
• 3+ years of experience in telecommunications network administration.
• Strong knowledge of networking protocols (TCP/IP, DNS, DHCP) and hardware (routers, switches, firewalls).
• Experience with VoIP systems and protocols (SIP, H.323).
• Familiarity with network monitoring tools.
• Excellent troubleshooting and problem-solving skills.
• Ability to work independently and manage multiple tasks.
• Relevant certifications (e.g., CCNA, Network+) are a plus.