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Senior Systems Administrator - Fort Huachuca

  • 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.

Candidate Requirements:

  • 10 + years experience with MA/MS degree.
  • At least one of the following certifications:
    • Cisco Certified Network Professional (CCNP) – Minimum;
    • Preferred is Cisco Certified Network Professional – Security (CCNP-Security)
    • CompTIA Advanced Security Practitioner (CASP),
    • Certified Information Systems Auditor (CISA),
    • Certified Information Systems Security Professional (CISSP) or Associate,
    • GIAC (Global Information Assurance Certification)
    • Certified Enterprise Defender (GCED), or
    • Cisco Certified Network Professional (CCNP)-Security
  • TOP SECRET (TS)/Sensitive Compartmented Information (SCI) Clearance
  • IAT-III IA Certification (Security+)
  • Effective oral and written communication skills
  • Experience in developing system documentation and process documentation
  • Expert knowledge and experience in Layer-2 and Layer-3 switching technologies
  • A working knowledge of Army or DoD Information Management and Security processes and procedures
  • Expert knowledge and experience with CISCO routing, including TCP/IP topology, layer 3 routing, and VLAN’s
  • Storage Area Network (SAN) knowledge and experience - (Fibre channel, iSCSI, NFS)
  • Out of Band Management (OOBM) experience

GC&E Systems Group, Inc. offers a competitive benefits package to include: paid holidays, paid time off, medical, dental, vision, flexible spending account, LTD & STD, company paid life insurance, 401(k) and tuition reimbursement.

It is the policy of GC&E Systems Group, Inc. to provide equal opportunity in recruiting, hiring, training, and promoting individuals in all job categories without regard to race, color, religion, national origin, gender, age, disability, genetic information, veteran status, sexual orientation, gender identity, or any other protected class or category as may be defined by the federal, state, or local laws or regulations.

We affirm that all compensation, benefits, company-sponsored training, educational assistance, social, and recreational programs are administered without regard to race, color, religion, national origin, gender, age, disability, genetic information, veteran status, sexual orientation, gender identity. It is our firm intent to support equal employment opportunity and affirmative action in keeping with applicable federal, state, and local laws and regulations.

We are proud to be an EEO employer. We maintain a drug-free workplace and pre-employment drug testing and background checks are required.

The information above has been designed to indicate the general nature and level of work performed by employees with the classification. It is not designed to contain or be interpreted as a comprehensive inventory of duties, responsibilities, and qualifications required of employees assigned to this position. Duties, responsibilities and activities may change at any time with or without notice.


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