Expert IT Consulting — Networks · Linux · Security · Automation

Core Capabilities

  • Networking

    • Design, implement, and stabilize enterprise networks

    • Load balancing for high availability and performance

    • Secure remote access and traffic optimization

  • Linux Systems Administration

    • RHEL, Debian, Ubuntu, CentOS server management

    • System hardening and compliance (CIS, STIG)

    • Performance tuning and troubleshooting

  • Security

    • Firewalls and Zero Trust architectures

    • API Security and Web Application Firewalls (WAF)

    • Identity, access, and threat mitigation strategies

  • Windows Systems Administration

    • Active Directory & GPO management for secure identity and policy enforcement

    • Patching, Certificate Services, and PowerShell automation for consistent operations

    • Administration of Exchange, SQL Server, and Windows clusters for availability and performance

  • Automation & Scripting

    • Ansible playbooks for repeatable, reliable automation

    • Python scripting for custom workflows

    • Streamlined operations that reduce manual effort

Services

I partner with organizations to solve tough infrastructure problems, reduce security risk, and scale operations with automation—without locking you into rigid packages or public pricing.

Network Administration

  • Routing & Switching – Enterprise networking with Cisco IOS and Nexus switches

  • Cisco WiFi – Secure wireless deployments and performance optimization

  • Firewalls – Design, operations, and policy management with Cisco ASA and NGFW

  • Secure Access – Cisco Identity Services Engine (ISE) for authentication and authorization

  • VPNs & Segmentation – Remote access, site-to-site VPNs, and network segmentation

  • Zero Trust / ZNTA – Implementation of Zero Trust patterns for secure connectivity

  • VoIP – Deployment and security of Cisco VoIP solutions

Linux System Administration (RHEL/CentOS/Debian/Ubuntu)

  • User & Permission Management – Accounts, groups, sudoers, and access control

  • Storage Management – Partitions, LVM, mounting, and persistent configuration

  • File & Directory Services – NFS, Samba, and LDAP integration for secure sharing

  • System Security – Service hardening, SELinux, and firewalld configuration

  • Patching & Troubleshooting – Regular updates, CVE mitigation, and root cause analysis

  • DevOps & Kubernetes – Cluster management, CI/CD workflows, and container orchestration

  • Automation & Scripting – Ansible playbooks and custom shell scripting to reduce manual effort

Automation & Scripting (Ansible, Python)

  • Network Device Automation – Automating Cisco, NetScaler, and other network gear with Ansible modules and Python scripts

  • Linux Automation – System provisioning, patching, configuration management, and compliance enforcement

  • Windows Automation – Active Directory, GPOs, patching, and application deployment with Ansible & Python integration

  • CI/CD Workflows – Automated build, test, and deploy pipelines for infrastructure and applications

  • Standardized Runbooks – Repeatable, version-controlled automation for operations and troubleshooting

  • Error Reduction & Efficiency – Replace manual tasks with consistent, reliable automation to reduce risk and speed delivery

Windows System Administration

  • Active Directory – Domain services, user/group management, and secure authentication

  • GPO Policy Management – Centralized configuration, compliance enforcement, and security baselines

  • Patching & Updates – Windows Server Update Services (WSUS) and automated patch management

  • Certificate Services – PKI, SSL/TLS certificates, and enterprise trust management

  • PowerShell Automation – Scripting for administration, reporting, and integration with Ansible

  • Exchange Server – Messaging, calendaring, and secure mail flow management

  • SQL Server – Database administration, backups, and performance optimization

  • Clustering & High Availability – Failover clusters, load balancing, and disaster recovery planning

Advisory & Architecture Reviews

Roadmaps, platform choices, migration guidance, and practical standards that balance velocity with security.

Staff Augmentation & Special Projects

Short‑ and long‑term coverage, project delivery, and off‑hours support during peaks or maintenance windows.

Security Consulting & Zero Trust

Vulnerability assessments, identity & access patterns, API risk awareness, incident response support, policy and configuration reviews.

 

Let’s Connect

About Cropsey IT Solutions LLC

Hands-on expertise across Networking, Linux, Windows, and Security. I integrate seamlessly with your team to stabilize infrastructure, automate operations, and provide critical off-hours coverage.

  • Cisco Networking & Security – Routing, switching, WiFi, firewalls, Cisco ASA, Cisco ISE, and Zero Trust

  • Linux Administration – RHEL, Debian, Ubuntu, CentOS; SELinux, firewalld, NFS/Samba, and system hardening

  • Windows Administration – Active Directory, GPO, Certificate Services, Exchange, SQL Server, clustering

  • Automation & DevOps – Ansible playbooks, Python scripting, CI/CD workflows, and repeatable builds

Available for projects, advisory, or staff augmentation. U.S.-based, remote-first, with on-site options available by arrangement.

Tell us a bit about your project or needs, and we’ll reach out with the right next steps.