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Senior Systems Administrator

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Job Details
Job Order Number
3471627
Job Description

Posting Date: 4/2/2019
Position Name: Senior Systems Administrator
Company: GC&E Systems Group
Location: Fort Huachuca, AZ
SCA Wage Category: Exempt
Shift: 1st
Employee Type: Regular Full Time
Security Clearance Status: Active and/or Able to Obtain
Security Clearance Type: Top Secret/SCI
US Citizenship Required: Yes
Job Level: Associate through Senior
Travel: Negligible

Essential Job Functions:
Shall operate, monitor, sustain and secure the Army Agency Context according to AR 25-2, the Joint Technical Architecture (JTA. The DoDIN Fusion Center (DFC) JRSS Global Management Team (GMT) will take over responsibility for the CONUS JRSS Army Agency Context Management upon award of this effort. There are devices consisting of firewalls, web proxy, routers and VPN. Historically, approximately 22,500 NIPRNet and 500 SIPRNet network event/incident/service request tickets require resolution each year.
Ensure that all Army JRSS and Enterprise devices managed by the DFC are working correctly with such Government-provided management tools as NETCOOL, InfoVista, Riverbed Netflow/AppResponse, RedSeal, BMC Network Automation (BNA), Schnozz, Cisco Prime, Agency Firewall, Base Firewall, F5 load balancer, Web Proxy/Filter, WCF Reporter, VM
Platforms, GigaMON, Access Control Servers (ACS) and TACACS etc.
Provide support at the DoDIN Fusion Center (DFC) 24/7/365, to operate, manage and troubleshoot outages and other network and enterprise service issues.
Create, add, delete, audit, and update Deny All/Permit by Exception (DAPE) security policies, including Defense Information Systems Agency (DISA) Security Technical Guide (STIG) compliance.
Maintain accurate and complete ports, protocols, and services (PPS) and Application Layer Filtering records for Army managed sites. Review RFC requests for accuracy and security concerns.
Virtual Private Network Operation. At the DFC, shall operate, monitor, sustain, and secure the Remote Access VPN (RAVPN) and site-to-site VPN (S2SVPN) between each installation. There will be approximately 63 VPN Concentrators. Approximately 3,050 VPN legacy event/incident/service request tickets require resolution each year
Operate, monitor, sustain, and secure such devices as Army Joint Base Customer Edge (JBCE), Installation base routers, switches, firewalls, load balancer, WCF Management enter/reporter, virtual private network (VPN) concentrators, and access control servers.
Respond to engineering changes and modify network architectures accordingly. Provide a weekly trend report to depict trends of network outages and degradations, and generate other trend reports.
Virtual Private Network Operation, shall operate, monitor, sustain, and secure the Remote Access VPN (RAVPN) and site-to-site VPN (S2SVPN) between each installation.
Maintain the RAVPN and S2SVPN architecture on the JRSS NIPRNet and SIPRNet, to include VPN in support of Active Directory.
Manage public key infrastructure (PKI) certificates.
Ensure correct routing of VPN traffic; operate, monitor, sustain, and secure VPN devices; and maintain Cisco Security Manager or the current software tool for VPN management.
Operate, maintain, and defend appliances, servers and systems supporting DNS and SMTP services.
Analyze and monitor circuit and protocol utilization to prevent circuit saturations and network outages. Perform a deep packet analysis of solution components in efforts to troubleshoot and isolate network incidents.


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