--- title: 'Senior Network Engineer at Ensono' canonical: 'https://feeny.ai/job/senior-network-engineer-ensono-bengaluru-6ddgqazk5108' type: 'job' last_seen: '2026-10-25' --- # Senior Network Engineer at Ensono - **Company:** Ensono - **Location:** Bengaluru, India / Chennai, India / Pune, India - **Posted:** 2026-10-12 - **Last confirmed live:** 2026-10-25 - **Apply:** https://ensono.com/company/careers/jobs-board/?gh_jid=4730211005 ## Job description ## About Us (Ensono) Ensono is an expert technology adviser and managed service provider. As a relentless ally, we accelerate clients’ digital transformation to achieve business outcomes that stand to last. Our dedicated team helps organizations optimize today’s systems across any hybrid environment with services such as consulting, mainframe and application modernization, public cloud migration and cloud-native development. With certified experts in AWS, Azure and Google Cloud and recognized as Microsoft Datacenter Transformation Partner of the Year, Ensono has over 3500+ associates globally and is headquartered in greater Chicago. We care about your success, offering comprehensive strategic and managed services for mission-critical applications. Our Advisory and Consulting services can help upfront with an application strategy or find the right places for your applications – whether it’s public, multi or hybrid cloud, or mainframe. And because we span across all mission-critical platforms, we can meet you wherever you are in your digital transformation journey, with 24/7 support when you need it. We are your relentless ally, flexing with you when challenges emerge so you don’t feel stuck in place. With cross-platform certifications and decades of experience, our technology experts have become an extension of your team so you’re continuously innovating – doing more with less while remaining secure. And that’s just the beginning. Job Summary We are seeking a highly skilled and experienced Senior Network Engineer with a minimum of 10 years of relevant experience in networking. The ideal candidate will be responsible for managing and supporting complex network infrastructures, handling major incident issues, and working in rotational shifts. This role requires deep technical expertise across routers, switches, firewalls, load balancers, Cisco ACI, and VMware NSX-T. This role contains 80% operational and 20% build and deployment work. ## Key Responsibilities - Manage and maintain Datacenter network infrastructure. - Handle major incident issues and perform root cause analysis. - Participate in rotational shifts to ensure 24/7 network support. - Collaborate with cross-functional teams for project implementation and support. ## Skills and Requirements - Routers (Must Have) - In-depth knowledge & hands-on experience on OSPF, EIGRP, BGP routing protocols. - Good understanding of MPLS. - Good understanding of hardware of different types of router models. - Switches (Must Have) - Hands-on experience on datacenter switches like Cisco Nexus 9K, 7K, 5K, 3K, 2K & Catalyst switches. - Good understanding of switching protocols like FHRP, STP, VLAN. - Good understanding of hardware of different types of switch models, SFP, Cable Types. - Firewalls (Must Have) - In-depth knowledge of traffic flow through firewall. - IPsec VPN, SSL VPN. - Hands-on experience on configuration of ACL, Security Policies, NAT. - Hands-on experience on packet capture and analysis. - Good understanding of Next Generation firewalls. - Hands-on experience on Palo Alto or Fortigate or Cisco ASA firewalls. - Load Balancers (Must Have) - Hands-on experience on F5 or Netscaler or AVI load balancer. - Hands-on experience on configuration of VIP, Pool, Node. - Good understanding of load balancing methods. - Good understanding of Sticky session methods. - Good understanding of traffic handling by load balancer. - Good to have knowledge on Global load balancing. - Cisco ACI (Good to Have) - Good understanding of Leaf/Spine architecture. - Good understanding of Tenants, EPG, VXLAN. - Basic knowledge on automation, Ansible. - VMware NSX-T (Good to Have) - Understanding of NSX-T architecture. - Understanding of ESG, DLR, T0 & T1 gateway, DFW. - Understanding of NSX Manager. - Basic knowledge on VMware vSphere, vROPS. - Certifications (Good to Have) - Cisco CCNA/CCNP, Palo Alto PCNSE. Additional Skills and Responsibilities - Hands-on experience with lifecycle management, including software upgrades, hardware refresh activities, and maintaining network devices on stable, vendor-supported software versions. - Participate in major incident war rooms, provide technical analysis during outage situations, and contribute to root cause analysis (RCA) activities. - Prepare, maintain, and update Low-Level Design (LLD) diagrams and network documentation. - Review and maintain CMDB accuracy, monitoring coverage, and device configuration backup compliance; identify and remediate any operational gaps. - Excellent verbal and written communication skills with proven experience managing client interactions, facilitating incident bridge calls, conducting project review meetings, and coordinating with cross-functional teams and external vendors. Shit Timing - 24/7 rotational shift. We are an equal opportunity employer. All qualified applicants will be considered for employment without regard to caste, colour, creed, religion, gender, gender identity, sexual orientation, age, disability, HIV status, or any other status protected by law. Candidates with disabilities who require accommodations during the recruitment process are encouraged to contact our Talent Acquisition team to place a request. ## About Ensono ## Company Overview - **One-liner**: Ensono is a managed IT services provider specializing in mainframe modernization, hybrid cloud migration and management, and AI enablement for Fortune 500 enterprises. - **Entity Type**: Private - **Headquarters**: Downers Grove, Illinois, USA - **Founded**: 2015 (spun off from a larger entity; celebrated 10 years in 2025) - **Founders**: Not publicly available (formed as a spin-off/private equity-backed entity) ## Core Business - **Primary industry/industries**: IT Services & Consulting, Managed Cloud Services, Mainframe Modernization - **Target customers**: B2B Enterprise; specifically Fortune 500 companies in highly regulated sectors including Financial Services, Insurance, Healthcare, Public Sector, Retail, and Manufacturing - **Mission or purpose statement**: "To be a relentless ally, disrupting the status quo, enabling our clients to do great things" [ensono.com](https://www.ensono.com/company/about-us/) ## Products & Services - **Mainframe Modernization**: Services to modernize legacy mainframe environments, including migration to cloud (Azure, AWS) and modernization of workloads. - **Cloud Migration + Managed Cloud**: Consulting and managed services for migrating to and operating within hybrid cloud environments (AWS, Microsoft Azure). - **Data + AI**: Predictive analytics and AI/ML services to turn data into business outcomes. - **Managed IT Services**: Ongoing infrastructure management, security, and operations for enterprise IT environments. ## Market Standing - **Valuation/Market Cap**: Not disclosed (private company) - **Key Metric (Total Funding/Revenue)**: Revenue is not publicly disclosed. The company is backed by private equity (Kohlberg & Company is a known investor). - **Notable Investors/Partners**: Kohlberg & Company (private equity); AWS (Premier Managed Service, Consulting, and Mainframe Modernization Partner); Microsoft Azure (2020 Azure Partner of the Year); IBM (multiple Challenge Coin awards); Kong (award-winning partnership with Pay.UK) [ensono.com](https://www.ensono.com/) - **Growth Signals**: Named a "Top 15 managed services growth company"; celebrated 10 years of progress in January 2026; appointed Alisdair Wright as Managing Director of Europe in January 2026; won a Kong Innovation Award for a fraud prevention platform with Pay.UK in December 2025 [ensono.com](https://www.ensono.com/insights-and-news/newsroom-and-press/ensono-celebrates-10-years-of-progress-transforming-the-future-of-modern-services/) ## Competitive Advantages - **Mainframe expertise**: Recognized as an ISG leader in Mainframe-as-a-Service, Mainframe Modernization, and Mainframe Operations — a rare and deep specialization. - **Hyperscaler partnerships**: Premier partner status with both AWS and Microsoft Azure, offering multi-cloud flexibility. - **"Relentless ally" model**: Positions itself as a transparent, flexible partner rather than a vendor, with a focus on long-term client relationships. - **Highly regulated industry focus**: Deep expertise in compliance-heavy sectors (finance, insurance, healthcare, government) which creates high switching costs. - **Associate Equity Program**: All associates are offered equity through the Associate Equity Appreciation Program (AEAP), aligning employee and company success [ensono.com](https://www.ensono.com/company/careers/). ## Strategic Focus - **Hybrid cloud & mainframe modernization**: Helping clients bridge legacy systems with modern cloud architectures. - **AI enablement**: Turning data into actionable insights via AI/ML, a key growth vector. - **European expansion**: Recent appointment of a Managing Director for Europe signals geographic growth. - **Talent development**: Investing in the "Ensono Academies" to develop next-gen tech leaders and the "Fellows Program" to retain expert technologists in non-managerial executive roles. ## Why Work Here - **Culture**: High employee engagement (92% overall engagement in a Gallup survey with 91% participation rate). Core values: Honesty, Reliability, Curiosity, Collaboration, Passion [ensono.com](https://www.ensono.com/company/culture/). - **Work model**: "Global-first organization" with physical offices in Europe, India, and the United States, plus remote workforce concentrations. Remote, hybrid, and office-based roles available globally. - **Perks**: Health and benefits from day one; paid volunteer days; Associate Equity Appreciation Program (AEAP); Ensono University for continuous learning; recognition and award programs. - **Engineering culture**: Focus on innovation without requiring management responsibilities through the "Fellows Program" (Technical Fellow Career Path). IBM Champions are recognized and celebrated within the company. - **DEI & Community**: Associate Community Groups (Culture Clubs), Ensono Women Connected initiative, global charity programs, and sustainability commitments. - **Growth**: Strong emphasis on internal mobility and career development via "Ensono Academies" and ongoing learning. ## Sources 1. [ensono.com](https://www.ensono.com/) 2. [ensono.com - About Us](https://www.ensono.com/company/about-us/) 3. [ensono.com - Careers & Culture](https://www.ensono.com/company/careers/) 4. [ensono.com - Company Culture](https://www.ensono.com/company/culture/) 5. [ensono.com - Jobs Board](https://www.ensono.com/company/careers/jobs-board/) 6. [ensono.com - Newsroom (10 Year Anniversary)](https://www.ensono.com/insights-and-news/newsroom-and-press/ensono-celebrates-10-years-of-progress-transforming-the-future-of-modern-services/) 7. [ensono.com - Newsroom (Kong Innovation Award)](https://www.ensono.com/insights-and-news/newsroom-and-press/ensono-wins-kong-innovation-award-for-fraud-prevention-platform-with-pay-uk/) 8. [ensono.com - Newsroom (Europe MD Appointment)](https://www.ensono.com/insights-and-news/newsroom-and-press/ensono-appoints-alisdair-wright-as-managing-director-of-europe/) ## Other roles at Ensono - [Senior Service Delivery Manager](https://feeny.ai/job/senior-service-delivery-manager-ensono-united-states-7mfmgddmn430) — United States - [Senior Capacity Planner](https://feeny.ai/job/senior-capacity-planner-ensono-united-states-sazg4g6qf3z0) — United States - [Enterprise Solution Architect- Boston, New Jersey, New York or North Carolina preferred](https://feeny.ai/job/enterprise-solution-architect-boston-new-jersey-new-york-or-north-carolina-v47ffc2mcsrs) — United States - [Mainframe System Security Engineer](https://feeny.ai/job/mainframe-system-security-engineer-ensono-pune-34mt1mx9j7k3) — Pune, India - [Senior Mainframe Systems Programmer - CICS](https://feeny.ai/job/senior-mainframe-systems-programmer-cics-ensono-united-states-nnhn4s9m7t95) — United States - [Senior Offering Manager - Mainframe Managed Services](https://feeny.ai/job/senior-offering-manager-mainframe-managed-services-ensono-united-states-c9p0cc9zfgwc) — United States - [Mainframe Modernization Architect](https://feeny.ai/job/mainframe-modernization-architect-ensono-bengaluru-wn99c3z24a89) — Bengaluru, India / Chennai, India / Pune, India - [Mainframe Systems Programmer - Storage](https://feeny.ai/job/mainframe-systems-programmer-storage-ensono-bengaluru-4kpsgj1vzg1b) — Bengaluru, India / Chennai, India / Hyderabad, India / Pune, India - [Senior Systems Engineer - MFT](https://feeny.ai/job/senior-systems-engineer-mft-ensono-pune-k00mqmqmk56b) — Pune, India - [Manager, Application Support](https://feeny.ai/job/manager-application-support-ensono-pune-ph1ecv6jtqhe) — Pune, India