Technical Expert/Functional Expert (Network) (Government)

AT&TColumbia, MD
$89,200 - $196,000Onsite

About The Position

AT&T Global Public Sector is seeking a Technical Network Expert to support the design, implementation, and sustainment of high-performance computing (HPC) environments for a government customer. This role requires specialized expertise in network design, advanced troubleshooting, and system integration across Linux, Windows, and UNIX infrastructures. The Technical Network Expert will be crucial in delivering innovative, mission-critical solutions. The IT infrastructure includes a mix of Linux, Windows, and UNIX, with various network devices, server interconnections, mass storage solutions, and supporting infrastructure services. Services provided support HPC, infrastructure maintenance, networking, office automation, and specialized software development.

Requirements

  • 10 years demonstrable experience (with degree, or 15 without) in network engineering (LAN), architecture, monitoring, security, and protection.
  • Datacenter network design and architecture experience to include installation and configuration of Cisco routers, switches, firewalls, and IPSEC virtual private networks.
  • At least one of the following certifications: CCNA - SECURITY, GICSP, GSEC, Security +, SSCP.
  • TS/SCI with polygraph clearance.

Nice To Haves

  • Experience with high-performance computing (HPC).
  • Experience with automated processing systems.
  • Experience with distributed software design.
  • Experience with secure hosting and networking solutions.
  • Experience with Linux, Windows, and UNIX operating systems.
  • Experience with various network devices, server interconnections, mass storage solutions, and essential supporting infrastructure services.
  • Experience with infrastructure maintenance for HPC systems.
  • Experience with office automation.
  • Experience with development of specialized software.

Responsibilities

  • Design, implementation, and sustainment of high-performance computing (HPC) environments.
  • Provide critical expertise in network design, advanced troubleshooting, and system integration across Linux, Windows, and UNIX infrastructures.
  • Install, configure, and support datacenter network design and architecture, including Cisco routers, switches, firewalls, and IPSEC virtual private networks.
  • Install, configure, tune, test, and perform advanced troubleshooting and support for high-performance file systems such as XFS, GPFS, and Lustre.
  • Perform advanced troubleshooting and support of HPC farm systems and associated applications such as Nagios, xcat, failover software, and compilers.
  • Provide working knowledge of HPC MPP systems.
  • Install, configure, tune, test, and perform advanced troubleshooting and support of distributed computing tools such as RES, LSF, and SLURM.
  • Install, configure, tune, test, and perform advanced troubleshooting of RedHat and Suse operating systems.
  • Implement expert security enterprise boundary and datacenter architecture and design.
  • Create system diagrams and present high-level presentations to management.
  • Utilize packet capture software.
  • Be available for some ON CALL duty, receiving $100.00 each day designated as on call.

Benefits

  • Medical/Dental/Vision coverage
  • 401(k) plan
  • Tuition reimbursement program
  • Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays)
  • Paid Parental Leave
  • Paid Caregiver Leave
  • Additional sick leave beyond what state and local law require may be available but is unprotected
  • Adoption Reimbursement
  • Disability Benefits (short term and long term)
  • Life and Accidental Death Insurance
  • Supplemental benefit programs: critical illness/accident hospital indemnity/group legal
  • Employee Assistance Programs (EAP)
  • Extensive employee wellness programs
  • Employee discounts up to 50% off on eligible AT&T mobility plans and accessories, AT&T internet (and fiber where available) and AT&T wireline phone
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