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Nate

Sendler

/ / System Administration & Engineering

I build reliable infrastructure, scalable systems, and strive for excellence. Passionate about Linux, security, efficiency, and making the environment tick like a Swiss watch.

/ / About Me

I'm an IT professional in training with a background that most engineers don't have — years on the front lines of customer support and technical operations at a global tech company. While I'm building my formal credentials in Cloud & Network Administration, I've spent the last few years working directly with systems like Salesforce CRM & Priority ERP, troubleshooting real problems for real users under pressure. What makes me different is that I understand the human side of technology. I've seen firsthand how issues with systems, unclear documentation, and slow resolution times frustrate end users, and I've built the communication skills to bridge that gap between technical teams and the people they serve. I was ranked #1 in case resolution quality in my department, reduced recurring issues by 60% through structured feedback analysis, and consistently turned complex problems into clear, actionable solutionsI bring an ownership mindset, strong analytical thinking, and a genuine drive to understand how things work — not just how to fix them. Whether it's supporting infrastructure, improving internal processes, or working cross-functionally to solve a tricky technical issue, I show up with patience, precision, and a service-first attitude. Currently based in Israel, fluent in Hebrew, English, and Russian, and actively transitioning into a full-time IT role where I can combine technical knowledge with the people skills that most engineers spend years trying to develop.

/ / Core Skills
Hover for details
Infrastructure / Virtualization
Windows Server 2025, Hyper-V, VM deployment, RAID configuration
Identity / Access Management
Active Directory (ADDS), GPO, OU design, FGPP, RBAC, least-privilege architecture
Network Services
DNS (Forward/Reverse zones, Conditional Forwarders), DHCP (Scopes, Failover, Relay), VLAN segmentation
Security / PKI
ADCS (Enterprise Root CA), certificate templates, TLS/HTTPS, certificate auto-enrollment
Linux
Debian as Daily Driver, Experienced Terminal User
File / Storage Services
DFS Namespaces, DFS Replication (multi-site), iSCSI, NTFS quotas, shared folder permissions
Remote Access / Web
RDS (secure privileged access), IIS (portal + certportal), site-to-site VPN
Automation / Scripting
PowerShell (Scripts), Task Scheduler
Documentation / Architecture
Network topology design, SOP authoring, multi-site deployment planning
Microsoft 365 / Cloud Security
CA, Entra ID, Defender for Office 365, DLP, anti-phishing, Safe Links, Safe Attachments
Endpoint / Device Management
Intune, ASR, VLAN segmentation, network isolation, Wi-Fi policies

Experience

IT Security & Infrastructure

/ / Microsoft Entra ID & Conditional Access

Identity & Access

Deployed and hardened Microsoft Entra ID, configuring Conditional Access policies for MFA enforcement, legacy authentication blocking, and compliant device requirements.

/ / Intune Endpoint Hardening

Device Management

Enrolled and hardened Windows endpoints via Microsoft Intune, deploying security baselines, BitLocker, Windows Update rings, ASR rules, and Controlled Folder Access policies.

/ / Defender for Business & Office 365

Threat Protection

Configured Microsoft Defender for Business across managed endpoints, and tuned Defender for Office 365, including Safe Links, Safe Attachments with dynamic delivery, anti-phishing, anti-spam, and anti-malware with ZAP.

/ / Purview DLP & Sensitivity Labels

Data Protection

Implemented a full Microsoft Purview data protection stack, publishing sensitivity labels with encryption, configuring auto-labeling policies for PII/PCI content, deploying endpoint DLP to block USB write and personal cloud uploads, and tightening SharePoint external sharing.

/ / Firewall Administration

Network Security

Configured firewall for a hardened network, including isolation, VLAN segmentation, firewall policies, web filtering for personal cloud storage, and prevention of managed PCs joining the guest network via Intune Wi-Fi profiles.

/ / Audit Logging, Alerting & Security Review

Monitoring & Compliance

Established a full audit and alerting posture, enabling unified audit logging, configuring alert policies, suspicious forwarding rules, and identity risk events, enforcing MFA number matching globally, and defining monthly security review cadences.

Operations & Quality

/ / Process QA & Case Auditing

Quality Assurance

Performed structured quality audits on support cases, identifying process gaps and developing creative solutions to drive consistent, high-quality customer outcomes.

/ / Product Testing & Documentation

Knowledge Management

Tested new product releases end-to-end and translated findings into clear, user-friendly guides used to train agents on new products and define product support approaches.

/ / SOP & Knowledge Base Authoring

Technical Writing

Authored complex Standard Operating Procedures for internal teams, covering escalation flows, troubleshooting trees, and cross-department handoff processes used daily by agents.

/ / Tier 3 Escalation Point

Advanced Support

Served as the last line of technical defence for the most complex and sensitive customer cases, providing definitive resolution and acting as the bridge between support and product teams.

/ / IoT Troubleshooting

Technical Diagnostics

Diagnosed and resolved IoT-related product faults for a global customer base — covering connectivity, firmware, and hardware issues on robotic pool cleaning devices deployed across multiple markets.

/ / CRM Systems & Data Analysis

Operations & Tooling

Managed customer records and case workflows across Salesforce CRM and Priority ERP — analysing patterns in customer feedback to surface actionable insights for product and support teams.

What my colleagues say about me

Nate is an amazing partner when it comes to getting the job done the best way possible. 
His attention to details and high standards that he usually demands from himself are second to none in the teams we use to work with together. 
Self - taught and reliable guy, I would find it very easy to count on him when push came to shove, more than once.

Projects

My Work

SmartCore Infrastructure Renewal

Enterprise infrastructure project built on Windows Server 2025 — dual-site AD environment with full network services, certificate authority, and remote access, documented end-to-end.

Press to learn more (GitHub)

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Debian, VMWare, Hyper V, Windows server, Aws, and Azure logos

More To Come....

Get in Touch

Request my CV, or just get in contact to discuss opportunities

/ / Contact me

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