• Managing Linux servers in hybrid, on-premise and in AWS cloud environment• Deploying EKS cluster using terraform, deploying application using helm• Managing EKS cluster with Rancher• Adding/modifying kubernetes resources via Rancher• Managing dev, test, prod-like and prod environment• Identifying and deploying cybersecurity measures by continuously performing vulnerability assessment and riskmanagement Performing STIG on clusters nodes• Deployed mongo DB in cluster env, created replica set in mongo DB, implemented 3 node RabbitMQ• Build docker images, pushing to harbor, create small CI/CD pipelines for small tasks, implemented cron job in Rancherto clean up resources within EKS cluster and in AWS side

• Collaborating and leading with other engineers to plan, design and develop the DevSecOps environment that includes cohesive CI/CD pipelines• Supporting the entire Software Development Lifecycle with an emphasis on build and release management via automation, using Confluence, Jira, Ansible, Puppet, Gitlab, Jenkins, Nexus and Harbor• Analyzing continuously the DevOps environment for technical and process improvements (e.g. integration of security measures, faster security and software updates, improved automation, reduced glitches and software failures, etc.)• Maintaining the deployed system, deploying updates and fixes, investigating and resolving technical and network issues, providing technical support to end-users as needed• Performing STIG on clusters nodes• Managing 3000+ nodes in 40 clusters in on-prem and C2S in dev/test and prod env• Attending daily standup, status, B&G, internal TEM, sprint planning, PI and scrum meetings• Performing puppet tagging and creating baseline, performing r10k deployment in puppet env• Performing cert issue/renewal/revoke for systems or portal, installing cert for ssl and nss• Converting and migrating Puppet modules for newer puppet version, creating rpm packages

• Lead a high performing, mission-critical team for a 24/7/365 customer.• Responsible for leading IT service delivery, Network Operations, Server Operations support, systems maintenance.• Develop team members while also holding them accountable for their commitments and responsibilities.• Responsible to removing roadblocks; leveraging organizational resources to improve capacity, and mentoring and developing team members. • Empower team and ensure that they are fully engaged in their projects and the customer’s mission, positioned to make meaningful contributions, and able to maintain a sustainable pace of high quality delivery.• Responsible to effectively analyze, prioritize, organize, and execute tasks in a high-pressure, dynamic environment.

Technical Director:• Architect and recommend modern, innovative solutions for the hybrid env• Examine vuln and determine actions to mitigate them• Coordinate and/or provide support for all applications and operations• Establish standard operating procedures(SOPs) and plans• Develop and maintain technical, procedural, standards and policies• Evaluate system performance and make appropriate suggestions• Provide leadership and advise senior leaders• Support risk mitigation activities such as CCB, POAM, Assessment and Authorization(A&A), continuous monitoring, vuln and config management• Participate in CONOPS, DR, BCP, SIP, ATO, IAB, technical IR and security assessmentLead Systems Engineer:• Directly manage Enterprise System Engg team, managing 5 domains, multiple ESXi hosts, VCenter, SAN and backup solutions• Deploy and administer production, test, and development env• Successfully migrated different hypervisor env into single managed platform• Oversees the performance of day-to-day operational support for server, storage or network infrastructures• Oversees the building, patching, testing, hardening and deployment of systems and platforms meeting clients’ needs and specifications• Oversees, plans and implements changes to infrastructure• Oversees storage and server data backup, data migration and disaster recovery operations• Oversees software and OS upgrades and tracks system licensing, warranty and support• Oversees the configuration of security settings or access permissions for groups and individuals• Evaluates and recommends new technologies, optimize operational efficiency, and troubleshoot problems arising in the infra env, network connections and performance degradation• Routinely interact with government stakeholders to communicate status, issues and progress• Engage in actively learning, deploying, and maintaining new technologies• Identify areas of potential efficiency improvement to include the development of automated routines

• Managing 300+ VM in RHEV/KVM env running Red Hat 7. Using Ansible for VM provisioning, hardening, configuring, installing apps• Managing blade systems hosting RHEV env, dell SAN and NAS, Satellite and domain controllers• Acting as a liaison between SE team and three dev teams for their day to day requirements and needs• Providing day to day support for dev team needs, attending daily scrum meeting and sprint planning meeting• Exporting VM from RHEV env and converting into Virtual Box env for testing purpose• Assisting IT infrastructure team to troubleshoot and resolve connectivity issue between corp and unclass side env• Assisting dev teams for testing of secure authentication for UI• Provided technical expertise assistance to other project leads for VM conversion and install third party packages

• Supporting NASA and JPL flying missions and their IT infrastructure systems, setup mission systems from ground up for launch and long term ops• Managing missions Solaris 10 servers, RH 6.x servers, Windows 2k8 and 2k12 servers, Linux 6.x and windows 7 workstations• Conduct quarterly security scanning, auditing, performing security updates and patches, fix vulnerabilities• Installing OS on new systems, capturing CIS benchmark score and implement CIS benchmarks, performing backups• Managing 6 domain controllers, DNS, Symantec backup server, 2 Linux Web servers, 2 windows web servers, 5 network file servers (snapserver), updating OS for snapservers• Performing firmware update on all mission critical systems• Managing 4 RSA Authentication Manager appliance for two factor authentication, performing OS update and sync, managing 75 RSA Secure ID tokens, managing 100+ users• Work as part of an integrated team to satisfy cybersecurity requirements of Space Systems components• Provide technical expert advice for tech refresh for all missions critical hardware and software procurements• Working with Mission Ops team to troubleshoot spacecraft controlling software (Maestro and ITOS)• Monitoring system status and health using Solarwinds LEM and Splunk, Configuring system for AIDE and rsyslog• Working with ground systems of all missions across the world for their setup, comm and troubleshooting• Creating install documentation, policies and procedures• Managing 12 ESXi systems running multiple windows and Linux VM, managing VM via VSphere and VCenter• Managing two win2k12 domain controllers, DNS and DHCP• Creating baseline image of DevOps high end workstation, installing DevOps required software’s in base image and deployed image on multiple workstation• Applying STIG benchmarks within air-gap enclave systems in windows environment• Performing P2V conversion and migrated them into virtualization environment

• Resolved DNS issue on internal network, created brand new domain env in Win2k8 VM (DC, DNS and DHCP) and successfully migrated all users from old domain to new domain with preserved profile• Managed 20+ Xen Servers, updated and installed patches, upgraded to new version• Managed 200+ VM Linux server, performed backups of VM, deploying configuration via puppet• Managed 50+ Zones in Solaris 8 and 10• Created DNS servers using bind and managed it on various Dev, I&T, and prod network, managed zone files• Created DHCP servers on various Dev, I&T, and prod network• Managed root CA and other CA server for 24x7 operation• Monitored system status and health using SiteMaestro, Nagios and BigBrother, Installed and tested Microsoft DirectAccess environment• Assisted local users for their daily issues• Managed Big IP F5 appliance for load balancing of web VM• Created documentation, policies and procedures on wiki

• Researched relevant technologies, performed testing in staging and implementing in production environment. Created baseline configuration for various Windows, Mac and Linux systems. Created SOP/LOP documentation• Managed 170+ Windows based systems (Server 2008, Win 7, Vista, XP and 2K) including upgrade of OS, Softwares, Updates, and Patches for HSPD-12, FDCC and CIS benchmark compliance. Deployed third party update via KACE.• Created vendor specific application update package and deployed customized package via scripting• Configured system with VMware, Virtual Box, and VPC, installed and configured Operating System in Virtual environment, performed data recovery from failed drives of Windows and Mac systems• Managed 350+ users, 300+ computers and 10+ groups in NDC (NASA Data Center) via Active Directory tool• Performed daily backup on mission critical system and project related system using Symantec and bacula• Managed various 40+ Linux systems, installed update via yum, installed packages, resolve day to day issues• Updated Linux systems with puppet, managed license server for IDL and Open BSD based DHCP server for division• Assisted all users on daily basis with their normal application related issues, printing related issues• Configured new systems with latest specification and assisted user for purchasing right hardware and software• Assisted junior system administrators on their daily routine works and duties

• Managed 100+ Windows based systems, 100+ Linux and Unix systems and 80+ Mac OS X based systems including upgrade of OS, Softwares, Updates, and Patches for HSPD-12 and CIS benchmark compliance• Managed 3 OU and 300+ users within Agency NDC Active Directory, deploying Group Policy via GPO, adding systems to domain, implementing smart card solution• Worked with other administrators to manage central backup system using NetVault and Becula• Managed daily backup of MSS project related systems using Retrospect and Acronis True Image• Successfully tested and implemented disaster recovery plan of JWST/MSS project related systems, successfully implemented RAID 0 (mirroring) on those systems as well• Provided assistance to other Systems Administrators to troubleshoot and resolve Unix and Linux related issues• Provided technical assistance to Scientist and Astrophysicist to order all IT supplies, new hardware, and software• Provided cost effective solution to users by negotiating price with different vendors and get best price quote which saved $ 50K within year. Kept track of property inventory of all IT related hardware and software• Installed, configured and managed 20+ printers (individual and network)• Prepared documentation of all systems configurations, their modifications, and track repairs• Upgraded hardware on Windows and Mac based system whenever user request