Sr. Systems Administrator Resume
SUMMARY:
- 15+ years of experience in IT infrastructure management
- Strong leadership, problem - solving, customer service, negotiation, inter-personal and general management skills
- Strong knowledge of IT support processes, ITIL change management, vendor and project management
- Technical expert in Microsoft products (Windows 2008/2, Exchange 2007/2010/2016, Office 365, Teams, Active Directory, GPO, IIS, MS Clustering, SQL server)
- Public and private cloud enthusiast (Azure, Office 365, AWS, Google GCP, GSuite, Vrealize )
- Strong knowledge of backups and disaster recovery
- Extensive hardware experience (HP, DELL)
TECHNICAL SKILLS:
Operating systems: Windows XP/7/8/10, Windows server 2008/2, VMware ESXi 5.5/6.0/6.5
Hardware: Servers, HPE blades C7000, Synergy,workstations, laptops (DELL, HP, IBM), SAN, Cisco switches and routers, network load balancers, network printers, smartphones, tablets and other peripherals
Software and tools: MS Exchange Server 2010/2016, Active Directory, Security Polices, Group Policies, IIS, Lync, Sharepoint, MS Windows Clusters, Exchange DAG, SQL 2012/2014/2017 Always-on, PKI, s, Powershell, IIS, WSUS, SCCM 2012, ISA/TMG proxy, MS Azure Cloud, Google Cloud, GSuite (Drive, Gmail, Hangout), IBM Bigfix, Sophos UTM, PFSence, Logrhythm, IBM Datapower XB62, Vmware VDI, Citrix, Symantec Backup Exec 12.x, Tivoli Storage Manager 6x/7x, Symantec Ghost server, Ticket systems: (Remedy, SCSM, OTRS, Issue manager), Trend Micro SCM for SMB, Symantec Endpoint Protection 12x/14x, McAffee, Proofpoint, Veeam backup, Avamar, CyberArk, Trend Micro Deep Security, Windows Defender, DameWare, VMware ESXi 5x/6x, VCenter, Wave encryption, Hostmon, Up.time infrastructure monitor, Zabbix, Atlassian Jira, Confluence
Networking: LAN/WAN, TCP/IP, DHCP, DNS, SMTP, POP3, FTP, TFTP, VPN, ICMP, RIP, OSPF, EIGRP, NAT, TFTP, VLANs
Database: SQL SERVER, Oracle 10/11, PostgreSQL
PROFESSIONAL EXPERIENCE:
Sr. Systems Administrator
Confidential
Responsibilities:
- Project lead on the following projects:
- Active Directory domains consolidation of Russel Metals’ subsidiaries
- Email Migration to Office 365
- Office 365 tenant to tenant migration and consolidation of new acquisitions
- Windows Server 2008 Upgrade to 0+ servers)
- Active Directory Forest upgrade,
- HPE C7000 Chassis upgrade to Synergy 12000
- VMware infrastructure Upgrades
- SQL server consolidation
- Cyber security penetration testing: ethical hacking
- Vendor and project management
- Management of Vmware Horizon View VDI environment
- VMware infrastructure management: HP Blade Systems: C7000, Synergy 12000
- Management of cloud infrastructure: Office 365, Azure, AWS
- Environment 300+ servers (Windows 2008/2012/2016, Linux), VMware ESXi 6.5 (3 sites, 20+ ESXi), Pure SAN, Active Directory, PKI, MS Exchange 2016 Hybrid, Office + mailboxes), Proofpoint, SQL servers, Veeam backup, Avamar, CyberArk, Trend Micro Deep Security, Palo Alto firewalls
- Monitoring of IT servers using GroundWorks
- Providing technical support, on-call rotation
- ITIL change management, IT audits
Sr. Systems Administrator
Confidential
Responsibilities:
- As part of wintel operations team responsible for management of Cogeco Windows servers and Vmware infrastructure in two datacenters (Burlignton and Trois-Rivers)
- Private and public cloud management (VRA, Azure, Gsuite)
- Project lead on internal projects, maintenances and enhancement (Windows 2003 upgrade, Billing system migration, Azure deployment, Gsuite migration, Vmware, VDI, Up.time upgrades, OS patches automation)
- Environment 900+ servers (Windows 2003/ 2008/2012/2016, Linux, Solaris, AIX), VMware ESXi 6.0/6.5 (3 sites, 8 clusters, 70+ ESXi), Netapp SAN, Fiber, NFS, Active Directory, PKI, MS Exchange 2010 cluster (3000+ mailboxes, geo-replication), SQL Always on, TMG, Sophos UTM, IBM Bigfix, Tivoli Storage Manager, IBM Datapower XB62, Symantec Endpoint Protection
- Building servers for application deployment: Windows 2008R2/2012
- VMware infrastructure management: vCenter, ESXi hosts deployment: HP Gen 7, 8, 9 VDI, VSphere replication
- Monitoring of IT servers using Up.time infrastructure monitor 7.3, Vmware vOPS
- Providing 2/3rd level technical support, on-call rotation
- ITIL change management, participating in a weekly CAB meetings
- Implementing infrastructural projects for Cogeco applications migrations, OS and hardware upgrades
System Network Administrator
Confidential
Responsibilities:
- Management of enterprise network connecting 9 geographical locations worldwide Environment 400+ servers: Windows 2003/2008/2012, Linux, VMware clusters 4.0/5.5, Active Directory, MS Exchange 2003/2007/2010, SCCM 2012, 1000+ workstations: Windows 7/XP
- Management of enterprise backups, Symantec Backup Exec
- Monitoring of network and server performance, Hostmon and Nagios
- Technical support
- Designed, planned and implemented infrastructural projects such as Active Directory / Exchange / File server migrations, Lync 2010 deployment, Hardware encryptions, Jira / Confluence upgrades, Cloud migration to MS Azure
Systems Administrator
Confidential
Responsibilities:
- Management of large enterprise network connecting 52 geographical locations in 17 countries worldwide. Environment 100+ servers: Windows 2000/2003/2008, Linux, Active Directory, MS Exchange 2007, SCCM 2007, 1500 workstations: XP, Vista, 7
- Managed backups and disaster recovery, Symantec Backup Exec
- Performed monitoring of network and server performance
- Helpdesk support, OTRS ticket system
- Frequent visits and inspections of sites worldwide
Systems Administrator
Confidential
Responsibilities:
- Agile software development environment, Scrum methodology
- Management and maintaining of DEV, QA and Production environments: 150+ servers Windows 2000/2003/2008, Linux, Cent OS, 120+ workstations and laptops Windows XP, Vista, 4 sites
- VMware Esx 3.5 infrastructure management, SAN management
- Active Directory and e-mail infrastructure management: AD / Exchange 2003
- Database administration for development and production environments: Oracle 10g and SQL server
- Evaluated, installed and upgraded computer hardware, network load balancing hardware, networking software, operating system software and software applications
- Performed monitoring of network and server performance, Zabbix
- Provided 2nd level technical support
- Performed data backups and disaster recovery operations, Symantec Backup Exec
- Designed, planned and implemented infrastructural upgrade projects
Network Administrator
Confidential
Responsibilities:
- Management and maintaining of enterprise LAN and WAN: 20 servers, Windows NT4, NT4 cluster, Win 2000 server, SQL 2000 server, Exchange 5. workstations; Win 98x, Win 2000, Cisco routers, 3 sites
- Installation, configuration and control of publishing software
- Provided and consulting for personnel
- Planned network infrastructure and equipment upgrades