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Senior IT Infrastructure & Network Engineer
SkilldLabs. Administer Microsoft 365 users, groups, licensing, permissions, authentication, Entra ID, MFA, Exchange Online, Teams, SharePoint, and OneDrive .
Core Competencies
Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates strong expertise in IT infrastructure management, including Microsoft 365 administration, Windows and Linux server support, and network engineering. Proficient in traffic analysis, capacity planning, and implementing security best practices across diverse environments.
Highest-signal resume keywords
Microsoft 365 AdministrationWindows Server AdministrationTCP/IP NetworkingPacket Capture and Traffic AnalysisInfrastructure Security
ATS Keywords
Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills
Microsoft 365Entra IDExchange OnlineTeamsSharePointOneDriveWindows ServerLinuxTCP/IPVLANs
Soft Skills
Strong Documentation SkillsCommunication SkillsAbility to Work Independently
Tools & Technologies
WiresharkTcpdumpIperfVirtualization ToolsBackup/Recovery Tools
Certifications & Qualifications
Microsoft 365 CertificationWindows Server CertificationCCNACCNP
Industry Keywords
IT InfrastructureNetwork EngineeringSystems AdministrationEdge InfrastructureIoT Equipment
Tech Stack
Tools & technologiesDNSFirewallsIoTLinuxPythonSwitchingTCP/IP
About the role
Key responsibilities & impact- Administer Microsoft 365 users, groups, licensing, permissions, authentication, Entra ID, MFA, Exchange Online, Teams, SharePoint, and OneDrive
- Manage onboarding, offboarding, provisioning, account lifecycle, asset documentation, access documentation, and vendor coordination
- Administer and troubleshoot on-premises and hosted Windows and Linux servers
- Handle patching, updates, storage, services, secure remote administration, monitoring, logs, capacity, and availability
- Maintain and test backup, restore, and recovery procedures
- Coordinate on-site or third-party hands-on support when physical work is needed
- Configure, support, and document corporate, engineering, and edge network environments
- Support TCP/IP, VLANs, switching, routing, NAT, DNS, DHCP, firewalls, wireless, VPN, cellular, and fiber infrastructure
- Support segmentation, resiliency, redundancy, failover, and network equipment
- Collaborate with customer IT teams, vendors, and integrators on connectivity and design
- Capture and analyze traffic from applications, APIs, cameras, edge devices, and telemetry
- Calculate bandwidth and capacity needs and diagnose latency, packet loss, retransmissions, and congestion
- Estimate cellular data consumption for mobile and in-vehicle systems
- Use Wireshark, tcpdump, iperf, or similar tools for sizing and performance recommendations
- Help Software Engineering isolate software, network, OS, hardware, and third-party issues
- Support integration of controllers, cameras, RFID/LPR equipment, gateways, antennas, and Windows/Linux edge environments
- Partner with DevOps on DNS, routing, firewalls, TLS/certificates, secure communications, packet captures, logs, and diagnostics
- Assess networking, compatibility, and integration requirements for new technologies
- Build and validate prototype and proof-of-concept environments
- Document constraints, dependencies, test results, and deployment readiness
- Apply security best practices and maintain network diagrams, IP/VLAN records, port and firewall requirements, and configuration standards
- Participate in incident investigation, root-cause analysis, and corrective action
Requirements
What you’ll need- Strong experience across IT infrastructure, systems administration, and network engineering
- Hands-on Microsoft 365 administration, including Entra ID, Exchange Online, Teams, SharePoint, and OneDrive
- Strong Windows Server administration plus practical Linux experience
- Experience managing physical, hosted, and remotely administered servers
- Deep knowledge of TCP/IP, VLANs, switching, routing, subnetting, NAT, DNS, DHCP, firewalls, VPN, and segmentation
- Packet capture, traffic analysis, bandwidth estimation, and capacity planning skills
- Experience with wired, wireless, fiber, and cellular networks
- Experience supporting connected devices such as controllers, cameras, gateways, or IoT equipment
- Working knowledge of MFA, TLS/certificates, and infrastructure security
- Strong documentation and communication skills, with the ability to work independently and remotely
- Degree in IT, Computer Science, Computer Engineering, Telecommunications, or equivalent experience
- Microsoft 365, Entra, or Windows Server certifications preferred
- CCNA, CCNP, or equivalent hands-on networking expertise preferred
- Experience in environments mixing corporate IT, on-prem servers, hosted systems, and edge infrastructure preferred
- Experience with monitoring, backup/recovery, and virtualization tools preferred
- Exposure to industrial networking, RFID/LPR, cellular routers, or edge hardware preferred
- Familiarity with zero-trust and secure remote-access architectures preferred
- Scripting in PowerShell, Bash, or Python preferred
Benefits
Comp & perks- Opportunity to work on cutting-edge products
- Fully remote and distributed team
- Async-first collaboration environment
- Paid learning programs and sponsored certifications
- PTO, paid holidays, and family leave
- Computer sponsor program
- Payment in USD