Senior System Administrator - Marathon TS

Marathon TS is seeking a highly skilled and experienced Senior System Administrator with a Full Scope Polygraph to join our dynamic team. As a Senior System Administrator, you will play a pivotal role in driving the success of the clients organization by providing expertise in maintaining, upgrading and managing software, hardware, and networks. The perspective candidate should be able to diagnose and resolve problems quickly and have the patience to communicate with a variety of interdisciplinary teams and users. This is an on-site position located in Chantilly, Va.

Responsibilities

• Perform moderately complex network designs; performing upgrades to limited segments of the network and performing routine network operations and maintenance (O&M).
• Perform routine to moderately complex network upgrades. Review user requests for upgrades or additions to the network to assess impact on network performance and provides advice and guidance on the most practical technical approach to meeting user requirements.
• Plan upgrades to existing network configurations, using knowledge of the performance characteristics of the systems being upgraded and the specifications for network interfaces to insure effective integration and optimal network performance.
• Utilize network analysis tools to identify performance problems in the network.

Requirements

• Full Scope Polygraph required
• Ethernet and IP LAN design, configuration, and maintenance.
• SONET-Based WAN design, configuration, and maintenance.
• Border Gateway Protocol (BGP) and Multiprotocol Label Switching (MPLS) design, configuration, and maintenance.
• Microsoft Windows desktop and server design, configuration, and maintenance in a secure IT environment including one or more of Windows 7, Windows I 0, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
• Designing and operating Microsoft Active Directory in a secure and distributed IT environment supporting clients and servers such as Windows 7, Windows 10, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
• Linux desktops, servers, and other devices design, configuration, and maintenance in a secure IT environment.
• Configuration and operation of Enterprise storage across network (SAN) solutions (e.g. HPE 3PAR, NetApp, EMC)
• Server virtualization solution design, configuration, and maintenance using software such as VMWare vSphere, Windows Hyper-V, or equivalent.
• VOIP solution design, configuration, and maintenance with Cisco, Polycom, or equivalent solutions.