Sravan Kumar Challa
Hyderabad,Telangana
Summary
Dynamic Lead Systems Engineer with extensive experience at Wipro Ltd, specializing in UNIX and Linux administration. Proven track record in optimizing system performance and implementing innovative solutions. Skilled in VMware virtualization and ITIL frameworks, with a strong focus on collaboration and leadership to drive team success.
Overview
17
17
years of professional experience
Work History
LEAD SYSTEMS ENGINEER
Wipro Ltd
02.2022 - Current
- Worked as UNIX System Administrator supporting 25000+ RHEL(Version 6 and 7) servers running on HP, Dell, IBM Power Edge & VMware machines AND 7500+ Oracle Solaris (Version 8,9 &10) mid-range and high-end servers running on Oracle Sparc hardware.
- Install, configure, and maintain UNIX operating systems.
- Analyzes and resolves various problems associated with the operating system's servers, hardware, applications, and software.
- Detects, diagnoses, and reports UNIX related problems on servers.
- Coordinate all activities with varied technical support groups as suitable.
- Recommend feasible UNIX solutions to maximize system performance.
- Also responsible for optimizing system performance and upgrade Linux and Solaris OS kernel version along with VxVM and VCS to keep the hosts up to date.
- Host and participate root cause analysis meetings/calls with technical support groups to identify the possible cause of concerned issues, provide and implement action plan to address and prevent repetitive issues from OS end.
- Citi is the preeminent banking partner for institutions with cross-border needs, a global leader in wealth management and a valued personal banker.
Senior Systems Engineer
IBM India Pvt Ltd
Hyderabad, Telangana
02.2016 - 02.2021
- Worked as UNIX System Administrator supporting 25000+ RHEL(Version 6 and 7) servers running on HP, Dell, IBM Power Edge & VMware machines AND 7500+ Oracle Solaris (Version 8,9 &10) mid-range and high-end servers running on Oracle Sparc hardware.
- Install, configure, and maintain UNIX operating systems.
- Analyzes and resolves various problems associated with the operating system's servers, hardware, applications, and software.
- Detects, diagnoses, and reports UNIX related problems on servers.
- Coordinate all activities with varied technical support groups as suitable.
- Recommend feasible UNIX solutions to maximize system performance.
- Also responsible for optimizing system performance and upgrade Linux and Solaris OS kernel version along with VxVM and VCS to keep the hosts up to date.
- Host and participate root cause analysis meetings/calls with technical support groups to identify the possible cause of concerned issues, provide and implement action plan to address and prevent repetitive issues from OS end.
- SSC (State street Corp.) is a multinational diversified financial services company headquartered in Boston in the United States.
Team Lead
Polaris Consulting & Services Limited
11.2013 - 02.2016
- Facilitated team meetings to align project goals and expectations.
- Developed training programs that enhanced team skills and productivity.
- Managed project timelines, ensuring timely completion of deliverables.
- Implemented process improvements to streamline operations and workflows.
- Supported conflict resolution, maintaining a positive work environment.
- Provided leadership and guidance, ensuring timely and high-quality task completion.
Lead Infrastructure Engineer (UNIX System Administrator)
Mphasis Ltd
Pune
08.2012 - 09.2013
- Led design and implementation of scalable infrastructure solutions.
- Collaborated with cross-functional teams to enhance system performance.
- Managed cloud services and virtualization technologies for optimal efficiency.
- Designed solutions that meet both functional requirements and operational objectives.
- Acted as primary point of contact for vendor relationships related to infrastructure components.
Linux System Engineer
Thakral One Solutions Pvt Limited
Mumbai
06.2011 - 08.2012
- Achieved high customer satisfaction by resolving issues promptly and providing friendly service.
- Administered Linux servers to ensure optimal performance and security compliance.
- Identified customer needs swiftly to enhance service delivery effectiveness.
- Executed daily duties with precision to maintain operational efficiency.
- Contributed innovative solutions that improved team performance and outcomes.
IT-Engineer
Abhir Infrastructure Pvt Ltd
Gurgaon
03.2009 - 06.2010
- Designed and implemented IT infrastructure solutions for diverse projects.
- Conducted system audits to ensure compliance with industry standards.
- Managed server installations and configurations to enhance performance.
- Provided technical support and troubleshooting for hardware and software issues.
- Collaborated with cross-functional teams to optimize IT operations.
- Developed documentation for IT processes and best practices for staff use.
- Installed new hardware and software solutions in alignment with company standards.
Education
MCA -
KAKATIYA UNIVERSITY
Warangal, Telangana, IndiaSkills
- UNIX and Linux administration
- Solaris management
- VERITAS suite expertise
- ITIL framework knowledge
- Red Hat Enterprise Linux
- Operating system troubleshooting
- Storage management solutions
- HP ProLiant and Dell PowerEdge
- IBM x3650 systems
- VMware virtualization
- ServiceNow platform proficiency
- BMC Remedy ticketing system
- AWS cloud services
- Ansible automation
- SQL database management
Timeline
LEAD SYSTEMS ENGINEER
Wipro Ltd
02.2022 - Current
Senior Systems Engineer
IBM India Pvt Ltd
02.2016 - 02.2021
Team Lead
Polaris Consulting & Services Limited
11.2013 - 02.2016
Lead Infrastructure Engineer (UNIX System Administrator)
Mphasis Ltd
08.2012 - 09.2013
Linux System Engineer
Thakral One Solutions Pvt Limited
06.2011 - 08.2012
IT-Engineer
Abhir Infrastructure Pvt Ltd
03.2009 - 06.2010
MCA -
KAKATIYA UNIVERSITY