Tier 3 Network Lead

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    "datePosted": "2026-05-29T04:00:00.000Z",
    "description": "<h2>About DMI</h2>\n<p>DMI is a leading provider of digital services and technology solutions, headquartered in Tysons Corner, VA. With a focus on end-to-end managed IT services, including managed mobility, cloud, cybersecurity, network operations, and application development, DMI supports public sector agencies and commercial enterprises around the globe. Recognized as a Top Workplace, DMI is committed to delivering secure, efficient, and cost-effective solutions that drive measurable results. Learn more at www.dminc.com</p>\n<h2>About the Opportunity</h2>\n<p>DMI, LLC is seeking a <strong>Tier</strong><strong> 3 Network Lead</strong> who owns the performance of wired and wireless infrastructure across four distributed sites and manages the full incident lifecycle across LAN, WAN, and cloud environments. This role is the senior technical authority for routing, switching, and network monitoring, directing Tier 1/2 escalations, coordinating ISP relationships, and leading network change management within an ITSM framework to ensure 24x7x365 availability.</p>\n<p> </p>\n<p><strong>Duties and Responsibilities:</strong></p>\n<ul>\n <li>Monitor and maintain LAN/WAN performance using SolarWinds Orion, including alert dependency configuration; diagnose and resolve outages, routing loops, circuit failures, and hardware faults</li>\n <li>Manage wired and wireless infrastructure including Aruba IAP-734/735 APs, Aruba CX6300 switches, HPE Aruba Central, Cisco IOS, HP Switch CLI, TACACS+, and Wireshark</li>\n <li>AWS CloudWatch; analyze trend data proactively to identify degrading hardware or flapping interfaces before service impact</li>\n <li>Lead P1/P2 root cause analysis and stakeholder communications; maintain the Known Error Database (KEDB)</li>\n <li>Coordinate with ISPs on circuit installation, upgrades, and outage restoration; support data center operations and DAS infrastructure management</li>\n <li>Provide technical direction to network support staff; partner with customer IT Security on NIST-aligned network security assessments</li>\n</ul>\n<h2>Qualifications</h2>\n<p><strong>Required Skills & Certifications: </strong></p>\n<ul>\n <li>Expert-level knowledge of routing/switching protocols and multi-site LAN/WAN environments</li>\n <li>Proficiency in SolarWinds Orion, Cisco IOS, Aruba Central, TACACS+, and Wireshark</li>\n <li>Familiarity with ITIL 4 Incident and Problem Management</li>\n <li>Required Certification: CCNP</li>\n</ul>\n<p><strong>Citizenship Status Required: </strong>Must be a <u>U.S. Citizen</u></p>\n<p><strong> </strong></p>\n<p><strong>Physical Requirements:</strong> None required for this position.</p>\n<p><strong> </strong></p>\n<p><strong>Location:</strong> Washington, DC (Onsite, 7AM–6PM Monday–Friday)</p>\n<p> </p>\n<p>#LI-JL1</p>\n<h2>Working at DMI</h2>\n<p>DMI is a diverse, prosperous, and rewarding place to work. Our culture is shaped by five core values that guide how we work, grow, and succeed together:</p>\n<p> </p>\n<ul>\n <li><strong>Do What’s Right</strong> – We lead with honesty and integrity.</li>\n <li><strong>Own the Outcome</strong> – We take responsibility and deliver.</li>\n <li><strong>Deliver for Our Customers</strong> – We are relentless about delivering value.</li>\n <li><strong>Think Bold, Act Smart</strong> – We innovate with purpose.</li>\n <li><strong>Win Together</strong> – We collaborate and celebrate our success.</li>\n</ul>\n<p>These values aren’t just ideals—they show up in how we support every part of your well-being:</p>\n<p> </p>\n<ul>\n <li><strong>Convenience/Concierge</strong> – Virtual health visits, commuter perks, pet insurance, and entertainment discounts that make life easier.</li>\n <li><strong>Development</strong> – Annual performance reviews, tuition assistance, and internal career growth opportunities to help you thrive.</li>\n <li><strong>Financial</strong> – Generous 401(k) matches, life and disability insurance, and financial wellness tools to support your future.</li>\n <li><strong>Recognition</strong> – Annual awards, service anniversaries, referral bonuses, and peer-to-peer shoutouts that spotlight your achievements.</li>\n <li><strong>Wellness</strong> – Healthcare coverage, wellness programs, flu shots, and biometric screenings to support your health.</li>\n</ul>\n<p>DMI values employees for their talents and contributions, and we take pride in helping our customers achieve their goals. Because when we live our values, we all win together.</p>\n<p> </p>\n<p><strong>***************** No Agencies Please *****************</strong></p>\n<p> </p>\n<p>Applicants selected may be subject to a government security investigation and must meet eligibility requirements for access to classified information. US citizenship may be required for some positions.</p>",
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