Infrastructure, Cloud, Security & Automation

Routing, Switching & Data Center
BGP, OSPF, IS-IS, MPLS, VLANs, STP/RSTP, LACP, VXLAN, EVPN, VRF, data center fabrics, enterprise LAN/WAN design, and network architecture.

Firewall, NAT & VPN
Firewall policies, NAT, QoS, traffic shaping, WireGuard, IPsec, OpenVPN, site-to-site connectivity, remote access, and network security best practices.

Wireless & CAPsMAN
WiFi deployments, CAPsMAN management, roaming, wireless bridges, PtP/PtMP links, RF planning, optimization, and troubleshooting.

MikroTik Scripting & APIs
RouterOS scripting, automation, scheduler tasks, API integrations, monitoring integrations, and operational automation.

Hardware & Troubleshooting
CCR, CRS, RB, hAP, Chateau, performance tuning, hardware recommendations, lab environments, configuration reviews, and troubleshooting.

Linux Fundamentals
Installation, package management, users, groups, permissions, filesystems, systemd, storage management, and core administration concepts.

Linux Infrastructure Services
DNS, DHCP, NTP, SSH, Apache, Nginx, HAProxy, web servers, mail servers, file servers, MySQL, MariaDB, PostgreSQL, Redis, and application hosting.

Linux Security
SELinux, AppArmor, Firewalld, Fail2Ban, access controls, auditing, CIS benchmarks, compliance, and Linux server hardening.

Linux Automation
Bash scripting, Python automation, cron jobs, task scheduling, configuration management, and infrastructure automation.

Performance & Troubleshooting
CPU, memory, storage, disk I/O, networking, logs, monitoring, root cause analysis, and production troubleshooting.

Python Automation
Python scripting, Netmiko, Nornir, Paramiko, PyATS, automation frameworks, and network automation solutions.

Infrastructure as Code
Ansible, Terraform, OpenTofu, Pulumi, infrastructure provisioning, configuration management, and repeatable deployments.

Network Programmability
REST APIs, NETCONF, RESTCONF, gNMI, YANG models, SDKs, and modern network automation technologies.

Git & CI/CD
Git, GitHub, GitLab, Jenkins, GitHub Actions, CI/CD pipelines, version control, and deployment automation.

GitOps & Platform Engineering
ArgoCD, GitOps workflows, platform engineering, workflow orchestration, internal developer platforms, and operational automation.

Security Monitoring & Detection
Zeek, Suricata, Security Onion, IDS/IPS, NDR, packet analysis, detection engineering, and threat visibility.

SIEM & Log Analytics
Wazuh, ELK Stack, OpenSearch, Graylog, ClickHouse, log aggregation, security analytics, dashboards, and correlation.

Threat Hunting & DFIR
Threat hunting, IOC analysis, malware investigations, PCAP analysis, digital forensics, and incident response workflows.

Network Security
Firewalls, NAC, Zero Trust, segmentation, VPN security, secure network architecture, and defensive controls.

Security Engineering
Detection engineering, SOC workflows, alert tuning, threat detection content, purple teaming, and security automation.

Public Cloud
AWS, Azure, Google Cloud, Oracle Cloud, cloud services, networking, storage, compute resources, and cloud architecture.

Virtualization
VMware vSphere, Proxmox VE, KVM, Hyper-V, virtualization clusters, resource management, and private cloud infrastructure.

Kubernetes & Cloud Native
Docker, Kubernetes, Helm, OpenShift, container platforms, service meshes, and cloud-native application infrastructure.

Storage & Backup
Ceph, NFS, iSCSI, SAN, NAS, backup solutions, disaster recovery, business continuity, and data protection.

Cloud Networking & IAM
VPCs, Transit Gateway, Direct Connect, ExpressRoute, IAM, hybrid cloud networking, identity management, and secure connectivity.

Infrastructure Monitoring
Zabbix, Nagios, CheckMK, host monitoring, service monitoring, infrastructure health, and capacity planning.

Metrics & Alerting
Prometheus, Grafana, Alertmanager, dashboards, SLOs, SLIs, alerting strategies, and operational reporting.

Logs & Observability
Vector, Fluent Bit, OpenTelemetry, centralized logging, observability pipelines, log analytics, and troubleshooting.

Network Monitoring & Telemetry
SNMP, NetFlow, sFlow, IPFIX, traffic analysis, bandwidth monitoring, network visibility, and performance monitoring.