Mainframe Developer at Squircle IT Consulting Services Pvt Ltd | Pune

Squircle IT Consulting Services Pvt LtdPune

On-site Full-time

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Experience Level

Mid to Senior

Qualifications

Proven experience in mainframe development with proficiency in COBOL, JCL, and DB2.Strong analytical and problem-solving skills. Ability to work collaboratively in a team environment. Excellent communication skills. Bachelor's degree in Computer Science or related field is preferred.

About the job

Join our dynamic team as a Mainframe Developer and contribute to innovative projects that drive success for our clients. You will work closely with cross-functional teams to design, develop, and maintain mainframe applications, ensuring high performance and responsiveness.

Your expertise will be crucial in debugging and troubleshooting issues, as well as implementing best practices for software development. If you are passionate about technology and eager to make an impact, we want to hear from you!

About Squircle IT Consulting Services Pvt Ltd

Squircle IT Consulting Services Pvt Ltd is a leading provider of innovative IT solutions and consulting services. We pride ourselves on our commitment to excellence and our team of skilled professionals who are dedicated to delivering high-quality services to our clients. Join us and be part of a company that values innovation and professional growth.

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Senior Mainframe Systems Programmer - Network

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Senior Mainframe Systems Programmer - z/OS

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ABOUT USAt Ensono, we are at the forefront of hybrid IT services, navigating a rapidly evolving business landscape. Our mission is to empower organizations by modernizing their IT infrastructure, integrating the robustness of mainframes and mid-range servers with the flexibility of cloud solutions. With nearly five decades of experience, we collaborate with some of the most innovative companies globally to help them thrive in a complex and interconnected world. Discover more at www.ensono.com.JOB TITLESenior Mainframe Systems Programmer – zOS and ISVPosition SummaryWe are seeking a dedicated Senior Mainframe Systems Programmer to deliver exceptional zOS system programming support and services for our mainframe clients at Ensono. The ideal candidate will oversee zOS operating system upgrades (V2.5 and V3.1) utilizing SMPE and zOSMF workflows, manage ISV product upgrades and maintenance to ensure compatibility with zOS, and uphold our contractual commitments to clients. You will work closely with vendor personnel to ensure timely upgrades are completed before end-of-support deadlines.JOB DESCRIPTIONJoin a team of passionate innovators at Ensono, a leader in IT infrastructure management. We are eager to welcome a self-motivated and skilled Senior Mainframe Systems Programmer. This is a full-time position, and we prefer candidates based in Bangalore, Chennai, or Pune.Job Duties and ResponsibilitiesEngage in standard system programming tasks, including configuration, installation, and maintenance using SMP/E, along with vendor software installations in the mainframe environment.

Feb 14, 2026

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Mainframe Developer

Squircle IT Consulting Services Pvt Ltd

Full-time|On-site|Pune

We are seeking a talented Mainframe Developer to join our dynamic team. The ideal candidate will have a passion for technology and a solid understanding of mainframe systems. You will be responsible for developing, maintaining, and enhancing mainframe applications to meet our clients' needs.

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About the Role  We are on the lookout for a highly skilled and experienced Senior Network Engineer to become a key member of our dynamic team at PubMatic. The ideal candidate will possess over 5 years of extensive hands-on experience in managing and supporting enterprise-level network infrastructures. A deep expertise in routing, switching, firewalls, VPNs, and network security protocols is essential. This role entails designing, implementing, and maintaining sophisticated networks, ensuring optimal performance, availability, and security for mission-critical business systems. Proficiency in protocols such as BGP, OSPF, along with familiarity with load balancing and network monitoring tools, is a must. Candidates with experience in Juniper hardware are highly preferred, along with Cisco routing, switching, and troubleshooting experience. Relevant certifications such as CCNP, NSE, PCNSE, or JNCIA are advantageous.What You'll Do:Oversee IP connectivity and latency for all data center networks.Configure BGP for transit and private peering.Collaborate with the architecture team to devise plans for various networking solutions.Manage and execute WAN installations.Enhance and improve network performance.Monitor and scale network bandwidth as necessary.Implement future PubMatic service data centers (domestic or international).Plan and carry out complex network upgrades and migration activities.Oversee all aspects of network security, including load balancers, firewalls, and router ACLs.Facilitate remote access for PubMatic users and clients.Perform maintenance on network hardware and software.Proactively prepare for scaling and infrastructure growth.Research and evaluate new tools and network technologies.Standardize device firmware updates as required.Manage service requests and support tickets effectively.Occasionally travel to data centers.Provide on-call support after hours and during emergencies as necessary.Handle vendor support issues and engagements.Deliver projects within tight deadlines and high-pressure environments.

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Senior Network Automation Engineer

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Full-time|On-site|Pune, India

Senior Network Automation Engineer Experience: 8+ years (6+ years in Network Operations, 4+ years in Network Automation & SRE) About Us: Ensono is a pioneering hybrid IT services provider navigating the complexities of today's digital landscape. We empower our clients—some of the most innovative enterprises globally—by optimizing and modernizing their IT infrastructure. With nearly five decades of experience, we blend the stability of mainframes and mid-range servers with the agility of cloud solutions. Discover more about us at www.ensono.com. Job RoleThe Senior Network Automation Engineer will spearhead the design, operation, and automation of enterprise and data-center network solutions, ensuring high availability, reliability, and performance for our clients. This position integrates extensive network engineering expertise with Site Reliability Engineering (SRE) practices aimed at minimizing manual tasks, enhancing system resilience, and achieving service level objectives. Job Responsibilities- Design, develop, and maintain network automation solutions utilizing Ansible.- Automate provisioning, configuration, and operational tasks across enterprise and cloud networks.- Integrate automation processes with ITSM tools (e.g., ServiceNow) and databases (e.g., SnowFlake).- Collaborate effectively with clients, service owners, and engineering teams to deliver robust and reliable solutions. Mandatory Skills & Experience:- In-depth understanding of Site Reliability Engineering (SRE) principles.- Minimum of 6 years in network operations (routing, switching, TCP/IP).- At least 4 years of hands-on experience in network automation within production environments.- Proficient in Cisco routing and switching, F5 load balancing, and Palo Alto Firewalls.- Strong coding/scripting capabilities using Ansible.- Familiar with monitoring, logging, and alerting tools. Additional skills include experience with Python, Ansible, ServiceNow, and SnowFlake database. Good to have Skills:

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Mainframe Developer at Squircle IT Consulting Services Pvt Ltd | Pune

Squircle IT Consulting Services Pvt Ltd

Full-time|On-site|Pune

Join our dynamic team as a Mainframe Developer and contribute to innovative projects that drive success for our clients. You will work closely with cross-functional teams to design, develop, and maintain mainframe applications, ensuring high performance and responsiveness.Your expertise will be crucial in debugging and troubleshooting issues, as well as implementing best practices for software development. If you are passionate about technology and eager to make an impact, we want to hear from you!

Sep 24, 2015

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Feb 25, 2026

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