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Senior Network Engineer

Company: Infinity Consulting Solutions
Location: Washington
Posted on: March 20, 2023

Job Description:

Senior Network Engineer Hybrid in Washington, DC $100-110k base

Summary: The Senior Network Engineer's role is to develop, maintain, troubleshoot and optimize functional and secure networks and network connections to ensure high levels of availability and security of the supported systems and business applications. The Senior Network Engineer will play a key role in the design, build, and ongoing support of the firm's functional networks (LAN, WLAN, WAN), and configuration and installation of software, servers, firewalls, routers and other network devices to support the secure operation and expansion of the firm's networking infrastructure. Monitoring and optimizing network performance, integrity and security as well as resolution of network support and performance issues of the firm's cloud and local networking infrastructure are also within scope for this role. This individual requires an extensive background and indepth technical knowledge of communication protocols (e.g., TCP/IP) and routing protocols (BGP, OSPF) and solid background in network administration and architecture. Familiarity with access control models and network security required, along with experience with network diagnostic, monitoring and analysis tools (e.g., SolarWinds). A solid understanding of network operating systems (Cisco IOS) and some knowledge of coding for scripting to support networking for Microsoft Active Directory (AD), Azure Directory Federation Service ADFS, Windows Server Datacenter and Enterprise also needed. In addition, desired individual will possess experience to support networking elements of VMware Virtual Center (VCenter) management platform.


  • A minimum of 10 years of relevant experience.
  • College degree strongly preferred, ideally with focus in computer science, engineering, or related fields.
  • CCNP or industry equivalent certification.
  • Industry-related experience as a Senior Network Engineer or Network Administrator.
  • Working technical knowledge of network, PC, and platform operating systems.
  • Extensive knowledge and experience in planning and executing networking for Microsoft Active Directory expansions and domain integrations.
  • Strong knowledge of local area network administration.
  • Hands-on software and hardware troubleshooting experience.
  • Demonstrated experience with large AD Forest Management and hybrid ADFS deployments and implementations.
  • Demonstrated experience SD-WAN, Application Centric Architecture, FibreChannel / FCOE integration, firewall policy and HA configuration, remote access VPN.
  • Ability to troubleshoot in complex Active Directory and Active/Azure Federation Service environments and quickly identify root cause problems.
  • Experience working with Microsoft Identity technologies including Active Directory, Windows File Services, and Group Policies.
  • Expert knowledge in administering Active Directory (AD) and Group Policy Object (GPOs).
  • Knowledge of Microsoft Defender Security and Identity Management Suite (MDE, MDI and MDAV). Duties and Responsibilities:
    • Coordinate with systems administration, business application, and database administration functions to implement networking to support desktop and server systems that utilize industry best practices to meet Firm objectives.
    • Synthesize networking needs for Firm's Microsoft Active Directory and Federation Service and optimization networking plans for the Firm's on premise and cloud-integrated domain and identity environments.
    • Support capacity planning and system optimization support for the AD and ADFS environments to allow domain expansion and growth.
    • Provide advanced networking technical support for the Microsoft Windows Server enterprise server environments - Tier 3 technical support for all Windows servers and systems in a 24x7 environment.
    • Plan and support networking-related Windows Server and VMware system maintenance updates and networking patches on all enterprise servers and systems.
    • Deploy networking hardware, firewalls, and support deployment of encryption systems, and all host security systems.
    • Provide advanced networking technical support for Microsoft Active Directory and Azure Directory Federation Service domain services.
    • Manage network operating systems and end-user software.
    • Manage networking aspects of communications (email) and connection solutions, including workstation connectivity, local area networks, company Web site, intranet, and Internet applications.
    • Ensure the network integrity and security of enterprise data on host computers, multiple databases, and during data transfer in accordance to business needs and industry best-practices regarding privacy, security, and regulatory compliance.
    • Manage networking aspects of end user accounts, permissions, access rights, and storage allocations in accordance with best-practices regarding privacy, security, and regulatory compliance.
    • Perform network and security audits.
    • Perform and test routine network system backups and restores.
    • Anticipate, mitigate, identify, troubleshoot, and resolve network hardware and software problems on networking gear, servers, input/output fleet, and workstations.
    • Support application development teams throughout project lifecycles.
    • Analyze network, system, server, application, and input/output device performance.
    • Recommend, schedule, and perform software and hardware improvements, upgrades, patches, reconfigurations, and/or purchases.
    • Conduct research on emerging products, services, protocols, and standards in support of systems, software procurement, and development efforts.
    • Create required reports in response to business user needs.
    • Support the development, document, and maintain policies, procedures, and associated training plans for system administration and appropriate use.

Keywords: Infinity Consulting Solutions, Washington DC , Senior Network Engineer, Engineering , Washington, DC

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