The Senior Systems Administrator is a hands-on, technical role responsible for supporting and advancing the organization's IT infrastructure across cloud, on-premises, and enterprise application environments. This position blends advanced systems administration, cloud solutioning, and operational support with a strong emphasis on disaster recovery readiness and enterprise system reliability. The Senior Systems Administrator requires a proactive, solutions-oriented professional capable of balancing strategic cloud initiatives with day-to-day ticket support and operational responsibilities. The ideal candidate demonstrates deep technical expertise, strong troubleshooting skills, and the ability to continuously learn and adapt across a broad technology stack, including operating systems, networking, and enterprise platforms. The information below is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required for this position.
ESSENTIAL DUTIES AND RESPONSIBILITIES- Disaster Recovery & Business Continuity
- Oversee and validate enterprise backup solutions across on-premises and cloud environments.
- Perform regular backup testing, restoration drills, and disaster recovery exercises.
- Ensure Recovery Time Objectives (RTO) and Recovery Point Objectives (RPO) are defined and met.
- Maintain and improve disaster recovery documentation and runbooks.
- Identify gaps in resiliency and implement improvements to strengthen business continuity posture.
- Cloud & Systems Administration
- Design, implement, and support cloud-based solutions (primarily Microsoft Azure and Microsoft 365 environments).
- Manage identity services including Active Directory and Microsoft Entra ID (SSO, MFA, conditional access).
- Administer endpoint management platforms (e.g., Intune) and system configurations.
- Maintain Windows Server, virtualization platforms, storage systems, and networking components.
- Monitor system performance, availability, and security across hybrid environments.
- Support automation and optimization of infrastructure through scripting and tooling.
- Helpdesk & Operational Support
- Provide Tier 2 and Tier 3 escalation support for complex technical issues.
- Troubleshoot hardware, software, network, and cloud-related issues.
- Support onboarding and offboarding of users, devices, and access controls.
- Ensure timely resolution and documentation of tickets while maintaining high service levels.
- Mentor junior-mid IT staff and contribute to improving helpdesk processes.
- Enterprise Systems (ERP)
- Learn, support, and assist in administration of the Enterprise Resource Planning (ERP) system.
- Collaborate with business stakeholders to troubleshoot ERP-related issues.
- Support integrations between ERP and other enterprise systems.
- Assist in upgrades, patches, and performance optimization of ERP environments.
- Document workflows, configurations, and system dependencies.
- Security & Compliance
- Support adherence to security frameworks such as NIST 800-53, NIST 800-171, and CMMC Level 2.
- Assist with vulnerability management, patching, and system hardening.
- Participate in audits and ensure systems meet compliance and security requirements.
- Maintain secure configurations across all managed systems.
- General Responsibilities
- Maintain accurate system documentation and configuration records.
- Assist with evaluation and implementation of new technologies.
- Support IT projects and strategic initiatives as assigned.
- Ensure reliability, performance, and scalability of IT systems.
- Perform other duties as assigned.
SKILLS AND/OR QUALIFICATIONS- Strong organizational skills and attention to detail.
- Ability to manage multiple priorities in a fast-paced environment.
- Ability to handle sensitive information with discretion.
- Ability to work independently and within a team while demonstrating sound judgement and attention to detail.
- Must be able to work under pressure and meet deadlines while fostering a positive attitude.
- Must have strong problem-solving abilities.
- Proficient in the English language with excellent verbal and written communication skills.
- Must be proficient in the Microsoft Office Suite.
- Must demonstrate safe and healthy workplace practices.
- Must be able to work nights, weekends, and holidays as needed.
- Must be able to travel within the US and internationally.
- Must demonstrate the knowledge, skills, and abilities of a Senior Systems Administrator in daily work performance.
- Must be able to obtain a Common Access Card (CAC) and not be barred from any installation.
- Must be able to obtain and maintain a security clearance.
EDUCATION AND EXPERIENCE REQUIREMENTS- Minimum High School diploma
- Bachelor's degree with 6+ yeas or equivalent experience preferred.
CERTIFICATES, LICENSES, REGISTRATIONS- Microsoft Certified: Azure Administrator Associate or equivalent preferred.
- Networking certification: Cisco Certified Network Associate (CCNS) or equivalent preferred.
- CompTIA Security+ preferred.
- Additional certifications (e.g., Azure Solutions Architect, CISSP) are a plus.
PHYSICAL REQUIREMENTS AND WORKING CONDITIONS- This position is performed in an office or remote office environment.
