Our organization is a unique software development company based in McLean, Virginia, dedicated to providing top-tier solutions to defend the United States and its businesses.
We are seeking a highly skilled and passionate Senior System Administrator who embodies our commitment to excellence and is driven to "do it right." This is a long-term opportunity for serious professionals who meet our stringent requirements and are eager to contribute to our critical mission. Compensation will be commensurate with experience, and we offer significant opportunities for professional growth and advancement within our best-of-the-best team.
DESCRIPTION:
The Senior System Administrator is responsible for the strategic oversight and daily management of our IT infrastructure, including both on-premises and cloud environments. This role encompasses the comprehensive administration of our Microsoft 365 environment, Microsoft Server Active Directory, and the entire Apple ecosystem, utilizing JAMF for managing macOS and iOS devices.
The Senior System Administrator leads infrastructure projects, implements and enforces security policies, automates tasks to improve efficiency, provides technical leadership and mentorship, and serves as a point of escalation for complex system and device-related issues, all while collaborating closely with software development teams to ensure a stable, secure, and high-performing technology environment.
Day-to-day responsibilities and duties include:
Infrastructure Management
- Design, implement, and manage the company's server infrastructure, both on-premises and in the cloud (if applicable), ensuring scalability, reliability, and performance.
- Lead the planning and execution of infrastructure upgrades, migrations, and expansions.
- Evaluate and recommend new technologies and solutions to improve efficiency, security, and cost-effectiveness, including those within the Apple and Microsoft ecosystems.
- Architect and implement robust backup, disaster recovery, and business continuity plans.
- Manage and optimize network infrastructure, including firewalls, routers, switches, VPNs, and wireless networks, ensuring secure and efficient connectivity for all devices.
Microsoft 365 Administration:
- Serve as the primary administrator for the company's Microsoft 365 environment, managing user accounts, licenses, security settings, and compliance features.
- Develop and implement Adhere to policies for data loss prevention (DLP), mobile device management (MDM) within Intune, and other security features within Microsoft 365.
- Facilitates on-premises active directory and GPO policies to be sync'd to Microsoft 365.
Apple Ecosystem Management:
- JAMF Administration: Manage and maintain the JAMF platform for the efficient and secure management of all Apple devices (desktops, notebooks, iPads, iPhones). This includes device enrollment, configuration profiles, software deployment, patching, and inventory management.
- Apple Business Manager (ABM) Administration: Oversee the company's Apple Business Manager account, managing device enrollment, app and book distribution, and volume purchasing.
- Apple Device Management: Configure, deploy, and maintain Apple desktops (macOS), notebooks (MacBooks), iPads, and iPhones, ensuring they meet company standards and security requirements.
- Develop and implement policies for macOS and iOS device security, including password management, encryption, and remote wipe capabilities.
Security & Compliance:
- Implement and enforce security policies and procedures across all systems, including Microsoft 365 and Apple devices, to protect the company's data.
- Conduct regular security assessments and vulnerability scans, specifically addressing potential risks within the Microsoft and Apple environments and oversee remediation efforts.
- Manage and maintain security tools and technologies, such as endpoint protection, mobile device management (MDM), and multi-factor authentication (MFA).
- Ensure compliance with relevant industry regulations and standards as they pertain to both server infrastructure and end-user devices.
Automation & Scripting:
- Develop and maintain scripts (e.g., Python, Bash, PowerShell, AppleScript) to automate routine system administration tasks, including those related to user provisioning/deprovisioning in M365 and device management in JAMF.
- Implement and manage configuration management tools to ensure consistent system configurations across servers and potentially macOS devices.
- Explore and implement infrastructure-as-code (IaC) practices for managing infrastructure in an automated and repeatable way.
Team Leadership & Mentorship:
- Provide technical leadership and guidance to junior system administrators and other IT staff, particularly in the areas of Microsoft 365 and Apple device management.
- Mentor and train team members on best practices and new technologies within the Microsoft and Apple ecosystems.
- Participate in the on-call rotation and provide timely resolution to critical system and device issues.
Problem Solving & Troubleshooting:
- Serve as a point of escalation for complex system, network, Microsoft 365, and Apple device issues, performing advanced troubleshooting and root cause analysis.
- Develop and maintain detailed documentation of systems, configurations, and procedures, including specific documentation for the Microsoft 365 and JAMF environments.
- Monitor system and device performance and proactively identify and resolve potential problems.
REQUIREMENTS:
- must be able to qualify and maintain security clearance.
- have at least 5 years of Senior System Administrator experience and have a good understanding of professional business environments.
- be very friendly and able to calmly handle clients and staff
- be able to carry themselves in a professional manner
- be punctual, responsible, and reliable
- have good written and verbal communication skills (answering the phone and composing emails in a professional manner)
Benefits / Additional Compensation:
- Health Insurance
- Dental Insurance
- Vision Insurance
- 401k match
- Paid Time off
- Paternal/Maternal Leave
Job Type: Full-time
Pay: From $115,000 per year, excluding bonus and benefits.
Schedule:
- The schedule for this position is project driven and can be highly variable depending on project deadlines and the specific needs of the software development teams.
- Monday to Friday
- Weekends as needed
Work Location: In person
TO APPLY: Please submit a resume. A cover letter is not required, although a short personal message explaining your work experience as it relates to this listing is extremely helpful.