System Administrator resume examples

• Evaluate vulnerability scans utilizing network scanning tools and software to notify system administrators of applicable Information Assurance Vulnerability Alerts (IAVA)

• Informational technical specialist monitoring, operating, analyzing, troubleshooting and restoring core services to components of the Defense Information Systems Network (DISN), organizing and maintaining data accountability for network equipment, servers, and commercial wireless devices accomplishing 100% accountability.

• Directed the implementation and performance tuning of data/voice communications to include video teleconferences on secret and top secret networks

• Applies DOD IT security policy and procedures. Performs risk assessments to determine the adequacy of system security utilizing the DOD Host Based Security System (HBSS) security tool to ensure the command remains Federal Information Security Management Act (FISMA) compliant

• Provide end user support with reconfiguration of Windows 10 client workstations, software security updates, imaging of hard drives, replacing hardware components, and deploy standard desktop configuration on laptop and desktop computers in accordance with DoD standards

• Represent the organization in activities to establish standards concerning network, IA requirements, protocols, system documentation, and program testing to be used throughout the DoD and completed courseware that meets the Committee on National Security Systems (CNSS) training standard for an Information Systems Security Professional NSTISSI No.4011

• Resolved system failures, reported network connectivity and computer operation problems at all levels and initiates remedial action to obtain operation across all platforms including e-mail, file transfer, multimedia and teleconferencing

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• Reduced system vulnerabilities by performing system and asset hardening with DISA approved security tools, installing new software, patches, and updates for multiple operating systems Applies DOD IT security policy and procedures.
• Attends directorate IT rep meetings to obtain IT requirements from other directorates and recommend improvements and/or provide solutions that meet their directorate IT needs while still maintaining security of the network
• Use independent judgment with users and remote operating centers OCONUS in routine and monitoring situations on the Internet, Intranet, servers, computer/data security and network infrastructures via Dameware and prepares technical correspondence and reports to properly disseminate technical matters to appropriate officials
• Create and manage user accounts utilizing Active Directory, Active Identity, and Active Client tools on unclassified, classified and top secret networks and manage McAfee anti-virus software, Microsoft Operating System security patches, digital signature files to assure maximum security of personal identifiable information (PII) data
• Develop Standard Operating Procedures (SOPS) regarding systems processes, operational changes, and technical equipment refresh increasing efficiency and effectiveness 100%
• Analyze tickets to display trends in categories of problems reported by customers, which is then used to ensure the help desk staff is properly trained to solve the more common issues in a timely manner utilizing a knowledge base and provide training to customers to help them avoid those issues in the future.
• Responsible for tracking and ensuring completion of all command help desk tickets which average over 200 per month, while providing exceptional customer service and support.

      Provide technical direction and engineering knowledge for communications activities including planning, designing, developing, testing, installing maintaining LAN/WAN or large communications networks.  Supervise complex operations that involve two or more additional functions such as, but not limited to, network operations, systems security, systems software support, and production support activities.  Troubleshoot network systems when necessary and makes improvements to the network. Ensures that adequate and appropriate planning is provided to direct building architects and planners in building communications spaces media pathways meet industry standards

• Manage and monitor unclassified and classified network elements alarms on LAN/WAN systems using tools such as Netcool, Information Network Management Systems, Cisco Prime Optical, Cisco Transport Manager, SILVX, Network Change and Configuration Management and coordinate with management and implementation entities to ensure optimum dissemination of information and network efficiency
• Successfully perform fault isolation and diagnostic/assessment functions including the execution of corrective actions for routers, switches, and firewalls utilizing knowledge of OSPF, BGP, EIGRP, and ATM
• Manage network encryptors such as KG-7, KG-157, and KG-250 and their effective expiration dates of cryptographic keys and configure/de-configure VoIP/VoSIP services for Navy mission-deployed units to have the ability to pass traffic on classified networks
• Complete power point documentation of routing and traffic flow analysis using Eheath and create, update, and resolve outages using Remedy ticketing system to ensure information regarding critical systems is communicated to Security Watch Officer
• Technical specialist responsible for monitoring, operating and managing equipment which include data/voice communications equipment, multiplexers, data terminal equipment, transmission media, Taclanes, WCF, GCN, Satellite Communications (SATCOM), ATM, Promina, Cisco Multi-Service Provisioning Platform (MSPP), Sycamore Networks Optical, Cisco/juniper routers and other emerging technologies to achieve accurate troubleshooting and restoring service to DISN or DRSN networks
• Accountable for the security of systems and software including McAfee Sidewinder firewalls, RSA SecureID servers and token hardware (authentication hardware/software)
• Provide support and guidance for network service to insure services are in conformance to Information Assurance requirement and regulatory policies
• Assist the local area network (LAN) Contingency of Operations Plan (COOP) in ensuring Primary Mission Essential PMEF's) continue to be performed during emergencies
• Train, coach, and mentor junior team members regarding the strategic planning aligned to the requirement for success of mission

•  Installation / Configuration, Managing Server Roles, Managing Server Shares.
• Windows 10: Installation / Configuration, Joining Workstation to Domain.
• Building Windows Domains / Domain Controllers, Active Directory Users & Computers.
• Creating & Managing User / Computer Accounts, Managing Account Memberships.
• Resetting Passwords, Managing AD OU Structure.Creating / Managing GPOs,
• Deploy Software / Files VIA GPO.
• Implemented and administered advanced Microsoft technologies.
• Collaborated with other offices and territories to plan and implement new technology.
• Deployed, administered and supported Windows servers in a fast-paced, demanding business environment.
• Maintain system backups utilizing Net Backup, and regularly conduct testing of restored data.
• Trained users in the proper use of hardware or software.
• Escalated unresolved issues to appropriate level.
• Technical Support

• Deployed and tested new server builds. P2V servers and retire HP and Dell hardware. 
• Upgraded 2003 environment to Server 2008 R2. Created new VMs while following best practice.
• Audited and conducted configuration changes as required by the business.
• Assisted infrastructure teams with ongoing projects.
• Site to site fax hardware and server migration. Manage all user configuration and monitored DB health. Configured changes as required by the PrintTool Document team. Resolved faxing related issues.
• Server lifecycle for UCS, HP and Dell hardware. Work with vendor to ensure proper licensing was in place for hardware and support.
• Assist with the Citrix rollout for over 600 users. Migrate users to XenDesktop 7 environment. Worked with remote users to ensure application and session uptime.
• Build 2012r2 SCVMM with a four node Hyper-V cluster. Configured storage, managed NetApp backups, migrated VMs and Monitored health.
• Root cause analysis for problem systems. Including but not limited to SQL, DB2, ESXI, UCS, Server and Netapp.
• Upgraded and configured security camera and servers at three sites. Managed permissions for helpdesk, security, maintenance, and owners. Managed local backups.
• Worked with Active Directory in a multi-domain single forest environment to administer accounts.Troubleshoot DNS, DHCP, and GPO related issues. Administered DFS and resolved permission and replication problems.

• Primary support for offshore user and Citrix VDI. Resolved VDI issues including network and storage.
• Primary support for patching of all servers and applications using Tivoli Endpoint, WSUS, and SolarWinds Patch Manager. Ensured network, system and data availability and integrity through preventative maintenance and upgrades.
• Surveyed network for anomalies using SolarWinds management tools.
• Excellent problem solving skills. Root cause analysis for problem systems including but not limited to Microsoft Cluster, Exchange 2010, Citrix, Domain Controller and DFS.
• Level 2 and 3 support for production work orders.
• Provided documentation and troubleshooting of processes for staff.

• Level 2 lead support for all Laptop, and Workstation related issues. Build and manage images for Laptops and Workstations.
  
• Personal support for CEO, President, and Officers of the company. Manage sensitive data, and data recovery.
  
• WSUS, Track-IT, RSA Token and Blackberry administration. Patch management for all desktop and laptops. Ensured systems met security compliance.
• Trained new employees with efficient diagnostic and repair procedures. Created documentation for daily activities for the service desk.
• Managed the Panasonic Toughbook rollout for 80 users. Lead support for remote users.
• Assisted Server, Network, Developer, Security and Application support teams with software rollout, meeting compliance and other assigned tasks.
• Experience with MacBooks, Dell, WYSE, Lenovo, printer configuration, troubleshooting network ports, Wireless routers, and Avaya phones. Managed hardware purchases for the Help Desk.

• Network monitoring and troubleshooting of endpoints. Manage user accounts and escalate work orders to appropriate teams.
• Worked with vendors for media, and printer support. Managed vendor maintenance schedules and ensure all work was complete.
• Conducted PC audits while following set guidelines. Image deployment for desktops and laptops. Troubleshoot and resolve issues with Operating Systems, virus, application, and hardware in a timely manner.
• Technical support for user and business partners.