Tier III Network Operations and Maintenance Engineer

4 weeks ago

Chantilly, Virginia, United States AT&T Full time
Job Description:

AT&T Global Public Sector is a trusted provider of secure, IP-enabled, cloud-based network solutions and professional services to the Federal Government. Our National Security Team supports the intelligence community, providing, operating, and assuring critical voice, video, and collaboration services for the full spectrum of operations.

Job Summary:

We are seeking a highly skilled Tier III Network Operations and Maintenance Engineer to support our customer's various wide area networks (WANs) and local area networks (LANs). This position will provide routing and boundary protection to an enterprise-level infrastructure across multiple classifications and act as a subject matter expert in routing and boundary technologies across multiple vendors.

Key Responsibilities:

  • Maintain the security and networking of enterprise boundary enclaves and devices.
  • Tier III O&M of Juniper and Cisco routers to include troubleshooting and implementation of routing updates.
  • Implement new firewall rules along with associated routing to fulfill firewall change requests.
  • Responsible for installing software, applying patches, managing file systems, and monitoring performance of firewall systems.
  • Provide support for Palo Alto, Cisco Adaptive Security Appliance (ASA), and Forcepoint firewall equipment and applications.
  • Generate, determine impact of, and implement custom proxy policies and/or policy exceptions in response to ongoing technology implementation activities on the program.
  • Proxy Subject Matter Expert (SME) for integration of other technologies within the program (function as a SME on ongoing technology projects).
  • Support the troubleshooting of web connectivity problems to determine root cause.
  • Perform Proxy solution component upgrades, testing, and configuration.
  • Research and develop evidence collection, protection, and analysis techniques for customer-owned and maintained hardware and/or software.
  • Provide real-time monitoring and alerting of security incident investigations on perimeter/internal infrastructure.
  • Provide day-to-day Operations and Maintenance (O&M) support for all incident management events and outages.
  • Collaborate with IT staff on projects and initiatives.
  • Provide input for monthly progress and status reporting of Service Level Agreements (SLAs).
  • Work with corresponding technical support teams as required to resolve network traffic concerns.
  • Utilize monitoring tools and log collectors to provide in-depth analysis of traffic anomalies and issues.

Requirements:

  • Must comply with DoD 8570 Information Assurance Technical (IAT) Level 2.
  • Experience in configuring and troubleshooting boundary protection technologies such as Palo Alto, Cisco ASA, and Forcepoint appliances.
  • Experience with configuring and troubleshooting Juniper and Cisco routers and switches.
  • Experience with protocols such as OSPF, BGP, VPN's, VRF's, MPLS.
  • Working knowledge of boundary protection best practices.
  • Understanding of routing, switching, Internet Protocol (IP) subnet, Network Address Translation (NAT) and security technologies.
  • Demonstrated ability to engineer and modify rulesets to allow connectivity for new customer requirements.
  • Demonstrated ability to read, understand, and develop schematic diagrams, technical manuals, and documentation such that the supported equipment and software can be maintained with minimal training.
  • Working knowledge of Service Now or similar IT Service Management (ITSM) products.
  • Superior verbal and written communication skills.
  • Intermediate-level knowledge of MS Office products Word, Excel, PowerPoint, and Visio.

Desired Qualifications:

  • Project Management Professional Certification (PMP)

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 phone

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