IT Jobs Cover Letter Examples & Writing Guide

Dear Hiring Manager, I am writing to apply for the Systems Administrator position at [Company]. With five years of experience managing enterprise IT infrastructure and a passion for system reliability, I am prepared to support your organization's technology needs. My systems administration experience includes: • Managed Windows and Linux server environments with 99.9% uptime • Administered Active Directory for 2,000+ users across multiple domains • Implemented backup and disaster recovery solutions with zero data loss • Automated routine tasks using PowerShell and Bash scripting • Led virtualization migration from physical to VMware environment Technical skills: • Windows Server 2016/2019/2022 and Linux (RHEL, Ubuntu) • Active Directory, Group Policy, and Azure AD • VMware vSphere, Hyper-V virtualization • Backup solutions: Veeam, Commvault • Monitoring: Nagios, SCOM, Zabbix Certifications: MCSA Windows Server, CompTIA Server+, VMware VCP I am committed to maintaining secure, reliable systems and proactive about identifying potential issues before they impact users. Thank you for considering my application. Sincerely, Michael Chen

Dear Hiring Manager, I am applying for the Network Engineer position at [Company]. With six years of experience designing and maintaining enterprise networks, I am ready to ensure your network infrastructure is secure, reliable, and scalable. My network engineering experience includes: • Designed and implemented campus network serving 5,000+ users • Managed Cisco and Juniper routing and switching infrastructure • Configured firewalls, VPNs, and network security solutions • Achieved 99.99% network availability through redundant design • Led network refresh projects within budget and timeline Technical expertise: • Cisco (CCNP certified), Juniper, Aruba networking • Firewalls: Palo Alto, Fortinet, Cisco ASA • Wireless: Cisco WLC, Aruba, Meraki • SD-WAN and cloud networking (AWS, Azure) • Network monitoring: SolarWinds, PRTG, Wireshark I am passionate about network architecture and security, constantly staying current with emerging technologies and threats. I would welcome the opportunity to discuss how I can strengthen your network infrastructure. Best regards, David Park, CCNP

Dear IT Manager, I am excited to apply for the IT Support Specialist position at [Organization]. With three years of help desk experience and a patient, problem-solving approach, I am ready to provide excellent technical support to your staff. My IT support experience includes: • Resolved 50+ tickets daily with 95% first-call resolution rate • Provided support for Windows, Mac, and mobile devices • Supported healthcare applications including EHR systems • Maintained HIPAA compliance in all IT operations • Trained end-users on software and security best practices Technical skills: • Windows 10/11, macOS, iOS, and Android support • Microsoft 365 administration and troubleshooting • Active Directory user and group management • Remote support tools: TeamViewer, Remote Desktop • Ticketing systems: ServiceNow, Zendesk, Jira I understand the critical nature of IT in healthcare and am committed to quick, professional support that minimizes disruption to patient care. Thank you for your consideration. Sincerely, Jennifer Williams

Dear Security Director, I am applying for the Information Security Analyst position at [Company]. With four years of experience in cybersecurity and a focus on protecting sensitive financial data, I am prepared to strengthen your security posture. My security experience includes: • Conducted vulnerability assessments and penetration testing • Monitored SIEM systems detecting and responding to security events • Implemented security awareness training reducing phishing susceptibility by 60% • Managed compliance with SOX, PCI-DSS, and GLBA requirements • Led incident response for security events with documented procedures Security skills: • SIEM: Splunk, QRadar, Microsoft Sentinel • Vulnerability management: Qualys, Nessus, Rapid7 • EDR/XDR: CrowdStrike, Carbon Black, Microsoft Defender • Firewall and IDS/IPS management • Security frameworks: NIST, ISO 27001, CIS Controls Certifications: CompTIA Security+, CEH, pursuing CISSP I am passionate about cybersecurity and committed to protecting organizational assets from evolving threats. Best regards, Robert Martinez, Security+

Dear Hiring Manager, I am writing to apply for the Help Desk Technician position. With my technical skills, customer service orientation, and ability to explain technology in simple terms, I am ready to provide excellent support to your clients. My help desk experience includes: • Provided Tier 1 and Tier 2 support for multiple client environments • Resolved hardware, software, and network issues efficiently • Documented solutions in knowledge base improving team efficiency • Maintained SLA compliance with 98% on-time resolution • Supported remote and on-site users with equal effectiveness Technical skills: • Desktop support: Windows, Mac, hardware troubleshooting • Microsoft 365 and Google Workspace administration • Basic networking: TCP/IP, DNS, DHCP, VPN • Printer and peripheral device support • Remote support and imaging tools I understand that excellent help desk support requires both technical knowledge and communication skills. I take pride in resolving issues while ensuring users feel supported. Thank you for considering my application. Sincerely, Amanda Thompson

Dear Hiring Manager, I am excited to apply for the Cloud Systems Engineer position at [Company]. With five years of experience in cloud infrastructure and expertise across major platforms, I am ready to architect and manage your cloud environment. My cloud engineering experience: • Architected and migrated workloads to AWS, Azure, and GCP • Managed infrastructure serving 1M+ monthly active users • Implemented Infrastructure as Code using Terraform and CloudFormation • Reduced cloud costs by 40% through optimization and reserved instances • Designed high-availability solutions with multi-region failover Technical expertise: • AWS (Solutions Architect certified), Azure, GCP • Containers: Docker, Kubernetes, ECS, EKS • IaC: Terraform, CloudFormation, Ansible • CI/CD: Jenkins, GitLab CI, GitHub Actions • Monitoring: CloudWatch, Datadog, Prometheus I'm passionate about cloud architecture and committed to building scalable, cost-effective infrastructure. Looking forward to discussing your cloud initiatives. Best regards, James Liu, AWS SAA

Dear CIO, I am applying for the IT Manager position at [Company]. With eight years of IT experience including three years in leadership, I am prepared to lead your IT department and align technology with business objectives. My IT management experience: • Led team of 8 IT professionals supporting 500+ employees • Managed $1.5M annual IT budget delivering projects on time and within budget • Implemented ERP system improving operational efficiency by 30% • Developed IT strategy aligned with 5-year business plan • Maintained 99.5% system availability across all production systems Leadership accomplishments: • Reduced IT incidents by 45% through proactive maintenance • Improved help desk satisfaction scores from 3.5 to 4.7/5 • Built IT team through hiring, training, and mentorship • Established IT governance and security policies • Led successful SOC 2 compliance certification I believe IT should enable business success, and I focus on solutions that improve productivity and reduce costs. I would welcome the opportunity to discuss your IT vision. Sincerely, Christopher Wilson

Dear Technology Director, I am writing to apply for the IT Support Technician position at [School/University]. With my experience supporting educational technology and passion for helping students and teachers succeed, I am excited to join your IT team. My educational IT experience: • Supported 1:1 device program with 2,000+ Chromebooks • Provided classroom technology support for teachers • Managed learning management systems and educational software • Supported computer labs and mobile device carts • Assisted with standardized testing technology setup Technical skills: • Chromebook deployment and management (Google Admin) • Windows, Mac, and iOS device support • Google Workspace for Education administration • Classroom technology: projectors, interactive displays • Student information systems and LMS platforms I understand the unique IT needs of education and am patient when supporting users with varying technical abilities. I'm available to work school hours and during breaks for maintenance projects. Thank you for considering my application. Sincerely, Sarah Davis