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Senior Systems Administrator Resume

TECHNICAL SKILLS:

OS: RedHat Enterprise, CentOS, Fedora, Windows Server 2008, Cisco IOS

Monitoring/Asset Management: OpenDCIM, SolarWinds, Nagios, OpenTSDB, Ganglia

Authentication/Config Management: FreeIPA, Foreman, LDAP, Puppet

Scripting: Bash, Python

Workflow tools: Atlassian tools, JIRA, Stash, GIT

PROFESSIONAL EXPERIENCE:

Confidential

Senior Systems Administrator

Responsibilities:

  • Responsible for technical leadership for the SysAdmin team and act as the subject matter expert for the day to day operations for escalations and new issues. Good understanding of how all the pieces fit together for the systems supported in the organization.
  • Key person leading all efforts for provisioning systems initiative. Engage with rekicks of systems that require complex effort.
  • Work closely with team, NOC and Engineering teams to troubleshoot issues and work to resolve them from start to end.
  • Monitor, identify and resolve systems performance issues independently.
  • Repair and recover hardware/software failures while coordinating and communicating with the appropriate engineering teams.
  • Involved with customers to create, change, and update elevated permissions (sudo) when required.
  • Key person for resolving NOC escalated tickets with disk management, OS mis - configuration, DNS, DHCP, hardware failures, fault tolerant/load balancers.
  • Assist Engineering team with engineering projects, ad-hoc requests.
  • Provide hardware support for critical Dell servers that require high level of support, e.g disk faults, DRAC issues, firmware, NIC failures.
  • Mentoring junior team members through shadowing and classroom curriculum.
  • Participate in the on-call rotation.

Confidential

NOC Engineer Team Lead

Responsibilities:
  • Responsible for leading the NOC team efforts for first line support. Provided first line of escalation and stability to the company’s infrastructure worldwide 24/7/365 days. Worked closely with business users and global delivery teams to maintain systems.
  • Responsible for monitoring production environment 24/7 days using various monitoring tools and scripts.
  • Triaged and escalated issues in a timely manner with troubleshooting steps.
  • Spearheaded the creation of multiple Standard Operating Procedures for the team resulting in standard operations for the team in troubleshooting.
  • Acted as an Incident Manager for high priority tickets which involved multiple teams and vendors being engaged.
  • Led many initiatives to provision large hardware refreshes for projects using internal PXE systems over bare-metal and VM’s.
  • Periodic visits to the remote data centers for large projects, audits and troubleshooting.
  • Self-taught Linux troubleshooting, scripting and OS specific concepts to help aid my role in the team. Produced material for the team to transfer knowledge specific to the organization.

Confidential

Windows Administrator/Helpdesk

Responsibilities:
  • Provided all levels of user and systems support for the Chicago office for the Windows/Mac and phone network. Led all the new hire onboarding.
  • Responsible for monitoring production environment 24/7 days using various monitoring tools and scripts.
  • Rolled out Windows 7 companywide.
  • Assisted with coordination and implementation of Atlassian’s JIRA & Confluence rollout.
  • Managed the ticket queue management, delegating tickets to other team members for faster turnaround.
  • Responsible for maintaining inventory of new equipment as well as asset disposal.
  • Coordinated and executed complete infrastructure move to a new office, including servers, network and user equipment.
  • SME for all VOIP systems/responsibilities, allocating numbers, voicemail account creating and monthly emergency service testing.
  • Off-site technical support for conferences, for attendees and presenters.
  • Provided executive support for ‘high-touch’ corporate users.

Confidential

Corporate Support Specialist

Responsibilities:
  • Responsible for providing Tier 1 & 2 level of support internal to the firm and remote offices in the US.
  • Handled all user account creation, permissions and terminations
  • Responsible for creation and maintenance of system imaging for users.
  • Used BMC Marimba to create, modify and deploy software packages.
  • Tasked with DR (disaster recovery) responsibilities for off-site servers. This involved coordinating efforts with network engineers for quarterly testing to ensure proper system failover.
  • Occasionally traveled to off-site conferences to provide on-site technical support for users both attending and presenting.

Confidential

IT Intern Support

Responsibilities:
  • Setup hardware for new hires and support the in-house applications.
  • 3 month internship program that ended with acceptance of permanent role on the ITS team.
  • Handled all incoming security requests for access to client data systems. This involved performing monthly auditing of user access lists for client data systems to ensure only authorized users were granted access.
  • Ensured all incoming help desk requests were handled efficiently and in a timely manner.

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