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Senior Network Administrator

Company: R3 LLC
Location: Rockville
Posted on: June 16, 2022

Job Description:

As a Senior Network Administrator, you should bring a high level of networking infrastructure knowledge, blended with technical expertise that aligns what we do as a business to our client's mission. The Senior Network Administrator is expected to be well organized, detail-oriented, understand and demonstrate Cloud and On-Prem Technology and Infrastructure, have current and relevant IT technology experience, ability to implement processes and change, work comfortably under pressure and deliver on tight deadlines. You would be responsible for managing the day-to-day networking infrastructure support as well as architectural changes and improvements. This position is responsible for establishing a structured approach to aligning IT Management and Operations with business objectives. This position requires an individual who can liaise with key functional teams such as Executive Leadership, end-users, and other stakeholders to discuss IT Infrastructure, and plan for future initiatives and budgets. Responsibilities and Duties:As a Senior Network Administrator, we are the face of R3 to our clients and bring a level of customer service blended with technical expertise that shows through the choice of our actions and the forward-thinking of our plans. Your responsibilities will be broad and will include, but are not limited to the following: - Onsite presence required - Some traveling within the Maryland/Virginia/D.C. area required - Mentor more junior staff and/or peers - Be available to support as needed or as assigned client site support. - Participate and be available for assigned on-call, after-hours, and/or weekend support. - Must be able to support escalated and/or emergency situations during normal business times as well as off-hour/weekends as necessary. - Incident and problem management (including root cause analysis/corrective/preventive actions, driving and/or participating in "tiger" teams during outages and/or degraded services, report outcomes, etc.) - Provide and ensure that the appropriate troubleshooting activities occur on and/or off-site - Proper categorization, prioritization, and updates. - Metrics reporting and analysis to facilitate decision making, resource allocation, and adherence to SLAs. - Ensure timely escalation to the appropriate team(s). - Timely resolution of tickets. - Timely communication updates to the clients. - Knowledge base and run book development. - Manage assigned project-based solutions - Effectively plan, design, test, implement and manage technical projects as assigned. - Perform due diligence and thoroughly research to understand what needs to be implemented and how best to carry out - Document using R3 templates, tools, and processes - Communicate progress to internal management and external customers. - Coordinate deployments with customers/end-users and notify help desk prior to implementation. - Ensure appropriate resource allocation and workload are maintained. - Maintain appropriate records for various tools utilized to enable accurate information is properly conveyed to interfacing teams. - Provide input and support for the development, documentation, implementation, training, maintenance, and improvement of service desk lifecycle processes to include adherence to industry standards such as ITIL best practices, ISO 20000-1:2018, and/or CMMI-SVCs - Interface with other teams within R3 to ensure appropriate information is conveyed in both directions based on the evolving needs of the organization and our clients; coordinate and manage all relevant stakeholders involved in tasks assigned. - Regularly enhance skills by attending training, webinars, or participating in self-directed career-based skill enhancements - Proactively review client network infrastructure - Assist in the planning of large-scale systems projects through vendor comparison and cost studies. - Assist in the management of the purchase, installation, and support of client network infrastructure - Conduct feasibility studies for large projects, develop requests for proposal, evaluates vendor products, and makes recommendations on selection. - Monitor and respond to hardware, software, and network problems in relation to customer LANs and WANs - Monitor and control the performance and status of the network resources. - Support, install, maintain, and troubleshoot all local area and wide area networking devices and related software for client internal and external networks. - Provide the routine testing and analysis of all elements of clients' network facilities. - Perform reactive remediation action to troubleshoot and resolve issues related to client infrastructure - Utilize software and hardware tools and identify and diagnose complex problems and factors affecting network performance. - Provide assistance and technical support for network design activities. - Assist in the review/assessment of user needs. Perform feasibility studies for small projects. - Recommends and schedules repairs. - Provides guidance and training to less experienced analysts. Knowledge, Skills, and Abilities: - Expert working knowledge of Cisco ISR and ASR routers, Cisco Catalyst switches, Cisco ASA firewalls, and Meraki MX, MR, and MS devices. - Exceptional documentation, communication, presentation, and relationship management skills. - Highly organized, team player, responsive, positive, excellent collaborator, and critical thinker. - Troubleshooting skills in relation to routing, switching, wireless, and other network-related issues. - Low to moderate working knowledge of Microsoft tools and cloud-based services, Azure, Office/Microsoft 365, Intune, Multi-Factor Authentication, Defender ATP, Teams, Exchange Online, Sentinel, Microsoft Virtual Desktop, Microsoft Power Platform (Power BI), etc. - Moderate to an expert working knowledge of Networking: LANs, WANs, VPNs, Routers, Firewalls, TCP/IP. Qualifications: - U.S. Citizen (Federal client requirement) - Bachelor's degree in Information Technology/Security, Computer (Information) Science, Management Information Systems, or related discipline. - 10+ years experience in a network administration and/or engineering role - Networking certifications a plus: CMSS, CCNA, CCNP CWNA, etc.

Keywords: R3 LLC, Rockville , Senior Network Administrator, IT / Software / Systems , Rockville, Maryland

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