Senior Systems Administrator

Job Title:

Senior Systems Administrator

Location:

Remote; United States

FLSA Classification

Exempt

Job Description:

Orbital Engineering, Inc. is seeking a Senior Systems Administrator who will serve as a senior-level technical resource responsible for the design, implementation, administration, maintenance, security, and continuous improvement of the organizations infrastructure, cloud services, identity platforms, and networking environment.

This position acts as the primary Level III escalation point for complex technical issues and provides leadership in systems administration, cloud operations, cybersecurity, network infrastructure, and enterprise technology solutions. The Senior Systems Administrator works closely with business stakeholders, vendors, and internal IT personnel to ensure the reliability, availability, scalability, and security of technology systems that support organizational objectives.

The position is responsible for maintaining and enhancing hybrid infrastructure environments consisting of Microsoft Azure, Microsoft Entra ID, AWS, Microsoft 365, Cisco networking technologies, endpoint management systems, and enterprise security solutions. The role provides technical leadership, project execution, mentoring, operational support, and strategic guidance for infrastructure modernization and future technology initiatives.

Responsibilities Include but Are Not Limited To:

Infrastructure Administration

• Administer, maintain, and optimize enterprise server, storage, virtualization, backup, and disaster recovery platforms.

• Manage and support Microsoft Azure cloud services and AWS cloud environments.

• Administer Microsoft 365 services including Exchange Online, Teams, SharePoint Online, OneDrive, and related collaboration technologies.

• Manage Windows Server operating systems and supporting infrastructure services.

• Maintain Active Directory, Group Policy, DNS, DHCP, certificate services, and related enterprise technologies.

• Monitor system performance, availability, and capacity to ensure business continuity.

• Develop and maintain infrastructure standards, configuration baselines, and operational procedures.

• Plan and execute system upgrades, migrations, patching, and lifecycle management activities.

• Evaluate and recommend hardware, software, and cloud solutions to improve reliability and operational efficiency.

• Maintain system documentation, architecture diagrams, and operational runbooks.

Cloud Administration

• Design, deploy, administer, and support Microsoft Azure and Amazon Web Services environments.

• Monitor cloud resource utilization, performance, availability, and cost optimization opportunities.

• Configure and maintain cloud networking, storage, security controls, and backup solutions.

• Deploy and manage Infrastructure-as-a-Service (IaaS) and Platform-as-a-Service (PaaS) resources as required.

• Support hybrid cloud integrations between on-premises and cloud-hosted systems.

• Implement and maintain cloud governance standards and best practices.

• Ensure cloud environments comply with organizational security and operational requirements.

Identity and Access Management

• Administer Microsoft Entra ID and hybrid identity services.

• Manage user accounts, groups, permissions, and role-based access controls.

• Configure and maintain Single Sign-On (SSO), Multi-Factor Authentication (MFA), and Conditional Access policies.

• Implement least-privilege access models and privileged account management practices.

• Conduct periodic user access reviews and account audits.

• Support identity governance initiatives and lifecycle management processes.

• Assist with authentication, authorization, and directory service troubleshooting.

Network Administration

• Administer and support Cisco switching, routing, wireless, VPN, and network security technologies.

• Monitor and maintain network performance, stability, and availability.

• Troubleshoot complex connectivity and communication issues across multiple locations.

• Assist with network design, segmentation, redundancy, and capacity planning.

• Maintain network diagrams, configuration backups, and operational documentation.

• Coordinate network changes and upgrades with business and technical stakeholders.

• Work with service providers and vendors to resolve network-related issues.

Information Security

• Implement and maintain security controls across infrastructure, cloud, endpoint, and network environments.

• Monitor security alerts, vulnerabilities, threats, and suspicious activity.

• Participate in security incident investigation, response, containment, and recovery efforts.

• Conduct vulnerability assessments and coordinate remediation activities.

• Support implementation of Zero Trust principles and security best practices.

• Assist with security audits, compliance initiatives, and risk assessments.

• Recommend improvements to security architecture and operational controls.

• Support endpoint protection, email security, data protection, and identity security initiatives.

• Participate in the development and maintenance of security policies, standards, and procedures.

• Maintain awareness of emerging cybersecurity threats and industry trends.

Technical Leadership

• Serve as the highest level technical escalation point for complex infrastructure and operational issues.

• Lead troubleshooting efforts involving multiple interconnected systems and technologies.

• Perform root cause analysis and implement long-term corrective actions.

• Lead infrastructure implementation, migration, upgrade, and modernization projects.

• Research, evaluate, and recommend emerging technologies and best practices.

• Provide mentoring, coaching, and technical guidance to IT team members.

• Assist with knowledge transfer and workforce development initiatives.

• Collaborate with business stakeholders to align technology solutions with operational requirements.

Operational Excellence

• Participate in IT change management activities and operational governance processes.

• Develop and maintain automation solutions utilizing PowerShell and related technologies.

• Create and maintain system monitoring, alerting, and reporting solutions.

• Support disaster recovery planning, testing, and business continuity efforts.

• Maintain accurate technical documentation and system inventories.

• Participate in strategic planning and budget forecasting activities.

• Support vendor management and service provider relationships.

• Participate in after-hours support, maintenance activities, and on-call rotations as required.

• Ensure compliance with organizational standards, policies, and procedures.

Other Duties

• Please note that this job posting does not list all duties and responsibilities that are required of this job. Duties and responsibilities may change at any time with or without notice.

Work Environment

• Fully Remote - United States

Minimum Requirements

• Seven (7) to ten (10) years of progressively responsible experience in systems administration, infrastructure engineering, cloud administration, networking, and cybersecurity.

• Demonstrated experience supporting hybrid on-premises and cloud environments.

• Experience serving as a senior technical resource or Level III escalation point.

• Proven experience leading infrastructure projects and technology initiatives.

• Experience supporting enterprise production environments with high availability requirements.

• Experience with identity management, information security, and operational governance practices.

Education

• Bachelors Degree in Information Technology, Computer Science, Information Systems, Cybersecurity, or a related field; or an equivalent combination of education, training, and experience.

Certifications

Preferred certifications include one or more of the following:

• Microsoft Azure Administrator Associate

• Microsoft Security Administrator Associate

• Microsoft Identity and Access Administrator Associate

• AWS Certified Solutions Architect Associate

• AWS Certified SysOps Administrator

• Cisco CCNA

• Cisco CCNP

• CompTIA Security+

• CISSP

• SSCP

• ITIL Foundation Certification

Salary Range:

• $60,000 - $95,000 annually (based on experience, qualifications, and location)

Benefits:

A commitment to excellence and hard work will be rewarded with a competitive salary, career advancement opportunities, and a comprehensive benefits package designed to support your health, financial security, and work-life balance. Our benefits include medical, dental, vision, and prescription drug coverage; a 401(k)-retirement savings plan; and supplemental insurance options. We also provide company-paid life and AD&D insurance, company-paid short-term disability coverage, and a generous paid time off program to ensure you have the support and flexibility you need both professionally and personally.

About Orbital:

Powered by People, Driven by Solutions

Since 1969, Orbital has been specializing in project development, project execution and asset management for the heavy industrial sectors and utilities. Our regional offices, hands-on mentality, and world-wide integrated teams provide an ability to leverage subject matter experts and industry best-practices wherever a project may lie geographically. Our focus steadfastly remains on finding and delivering the best solution, regardless of where that team sits across our organization. At Orbital, our power is our people.

Equal Opportunity Statement:

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

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