Senior Systems Administrator

Senior Systems AdministratorLocation – Arlington, VA (Hybrid) Duration- 12 Months+ Interview: Phone/Skype End Client: ARC Visa: USC Only (W2)Position SummaryWe are seeking a highly skilled and experienced Senior Systems Administrator to join our IT team. The ideal candidate will have at least 7 years of experience managing and supporting IT infrastructure, ensuring the reliability, security, and scalability of systems. This role involves maintaining critical systems, leading infrastructure projects, and providing technical guidance to team members.Key ResponsibilitiesSystem Maintenance & Monitoring:Manage and maintain server infrastructure (Windows).Monitor system performance to ensure high availability and reliability.Perform regular system health checks, updates, and patch management.Cloud Infrastructure Management:Manage cloud infrastructure (e.g., AWS, Azure) to ensure optimal performance.Plan and execute cloud migration strategies.Optimize cloud resource usage and costs through monitoring and automation.Virtualization & Storage Management:Administer virtualization platforms (e.g., VMware, Hyper-V) and storage solutions (e.g., SAN, NAS).Monitor and optimize virtualized environments.Set up and manage cloud storage solutions.Backup & Disaster Recovery:Develop and maintain backup and disaster recovery plans.Test recovery solutions regularly to ensure data integrity and business continuity.Network Administration:Manage and maintain network infrastructure, including routers, switches, firewalls, and VPNs.Troubleshoot and resolve network-related issues.Ensure network security through regular monitoring and best practices.Automation & Scripting:Automate routine tasks using scripting languages such as PowerShell, Bash, or Python.Develop and maintain infrastructure as code (IaC).User & Helpdesk Support:Provide Tier 1-3 support for escalated technical issues.Mentor and guide team members to improve technical knowledge.Project Management:Lead IT infrastructure projects, including system upgrades, migrations, and deployments.Collaborate with cross-functional teams to implement technology solutions aligned with organizational needs.Vendor Management:Manage vendor relationships and ensure service level agreements (SLAs) are met.Evaluate and recommend hardware, software, and services to meet IT infrastructure needs.Skills and QualificationsEducation & Experience:Bachelor's degree in computer science, Information Technology, or a related field, or equivalent work experience.Minimum of 7 years of experience in systems administration and infrastructure management.Certifications:CompTIA Network+, Security+, Linux+Microsoft Certified: Azure Administrator or AWS Certified SysOps AdministratorCCNA or CCNPPMP (Preferred)Technical Skills:Operating Systems: Advanced proficiency in Windows Server and Linux.Cloud Services: Expertise in managing AWS and Azure platforms, including Azure AD and Azure Apps.Virtualization: Hands-on experience with VMware, Hyper-V, or similar technologies.Networking: Strong knowledge of TCP/IP, DNS, DHCP, VPNs, VLANs, and firewalls.Security: Experience with firewalls, IDS/IPS, endpoint protection, and SIEM solutions.Backup & Recovery: Proficiency in solutions like Veeam or Acronis.Scripting: Proficiency in automation and scripting (PowerShell, Bash, Python).Soft Skills:Strong problem-solving and analytical abilities.Excellent communication and interpersonal skills.Ability to prioritize tasks and manage multiple projects.Leadership and mentoring capabilities.