DTC, Inc · 12 hours ago
Level 3 Infrastructure Engineer
Sparks Glencoe, MD
Full-time
Hybrid
Senior Level
$110K/yr - $130K/yr
5+ years expDTC, Inc is a values-driven, family-first managed service provider seeking a Level 3 Infrastructure Engineer. The role involves diagnosing and resolving advanced incidents, designing secure network architectures, and providing expert guidance to field teams.
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Responsibilities
Act as the top escalation point for complex networking and firewall issues, leading design, deployment, optimization, and security hardening across multi-tenant environments
Resolve high-severity incidents as final escalation, perform root cause analysis, and drive long-term preventive and scalable solutions
Monitor environments, implement preventive maintenance, improve alerting and baselines, and support automation for reliability, performance, and security
Serve as a senior technical contact for clients, contribute to system design and project execution, and support hybrid and cloud deployments
Mentor support teams, collaborate across departments, and maintain high-quality technical documentation and knowledge bases
Qualification
Required
5+ years in IT systems administration or advanced support roles, with 2+ years in a Tier 3 escalation-level position, and at least 1 year of experience with a Managed Services Provider (MSP)
Advanced networking and firewall experience, preferably with Ubiquiti/UniFi and Cisco
Strong knowledge of VLANs, routing protocols, VPN technologies, wireless design, and network diagnostics
Hands-on experience with virtualization platforms, cloud platforms (e.g., AWS, Azure), and RMM and MDM platforms
Familiarity with backup and disaster recovery tools (Veeam, Datto)
Scripting abilities (PowerShell, Bash) for diagnostics and automation
Proactiveness, and comfort being in a leadership role. This role does not have direct reports, but is the most senior escalation point on the support team and is responsible for guiding and decision making on tough problems
Ability to participate in an on-call rotation
Benefits
Robust benefits package including PTO, 401k, healthcare, dental, and vision.
Company
DTC, Inc
DTC is a qualified team of innovative problem solvers who are passionate about all things IT! We strive to simplify business operations by remaining a distinguished IT solutions provider to our clients.
11-50 employees
Funding
Current Stage
Early StageLeadership Team
Steve McNamara
Chief Executive Officer
Nathaniel Smith
Chief Technology Officer
Recent News
The Indian Express
2025-05-30
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