What are the responsibilities and job description for the Senior ITSM Systems Engineer- Mobility position at TDI (Tetrad Digital Integrity)?
Tetrad Digital Integrity (TDI) is a cybersecurity firm built for high-consequence environments where mission, complexity, and trust intersect. Our single focus has been delivering cyber solutions to effectively manage risk & the business of cyber for 25 years!
RESPONSIBILITIES:
The Senior Systems Engineer for Mobility serves as a subject matter expert responsible for the administration, security, lifecycle management, and reliability of the House’s Unified Endpoint Management - Mobility environment. Supporting approximately 20,000 users, the platform enables secure mobile access to email, calendar, applications, and intranet resources across iOS, iPadOS, Android, and macOS, with a focus on macOS engineering and security within Workspace ONE.
This role ensures secure, reliable mobile services through integration with on-premises Exchange and Microsoft 365 (Exchange Online), while adhering to House security policies and mobility standards.
This position is hybrid with commute to the DC area.RESPONSIBILITIES:
- Lead macOS device management within Workspace ONE, including policy design, software distribution, and advanced troubleshooting, ensuring alignment with House security standards
- Administer Workspace ONE UEM with full system-level privileges, including management of administrative accounts, roles, provisioning tokens, compliance policies, and mobile applications
- Oversee device enrollment and end-to-end lifecycle management for iOS, iPadOS, Android, and macOS platforms
- Maintain mobility infrastructure components, including connector services, Hub services, and development environments, ensuring system stability and performance
- Partner with Cybersecurity, UEM Security, and SOC teams to identify, assess, and remediate mobile vulnerabilities, including leading response efforts for emerging threats (e.g., iOS vulnerabilities such as DarkSword)
- Enforce compliance with House mobility security standards, including HISPOL 8.0, HISPUB 8.3 (KNOX), and HISPUB 8.4 (Mobile Data Protection)
- Lead advanced troubleshooting and resolution of complex mobility issues, including enrollment failures, KNOX/ABM integration, OS compatibility, and Workspace ONE platform issues
- Coordinate cross-functional engineering efforts with AD Infrastructure, Cybersecurity, and Virtual Systems teams to support system changes, testing, and deployments
- Provide authoritative guidance on Apple Business Manager (ABM) requirements, device ownership classifications, Member vs. staff exemption criteria, and vendor onboarding processes, ensuring accurate provisioning within ABM and MDM systems
- Serve as the primary mobility subject matter expert for Members, Chiefs of Staff, IT providers, Technology Service Desk, and internal engineering teams
- Perform other duties as assigned in support of UEM Mobility operations and organizational priorities
- Bachelor’s degree in Computer Science or a related field with 10 years of relevant experience, or 15–20 years of equivalent professional experience in Mobile Device Management
- Proficiency in Workspace ONE UEM administration with 7–8 years of hands-on experience
- Strong experience managing macOS in an enterprise environment using Workspace ONE or comparable MDM platforms (e.g., Jamf, Intune)
- Hands-on experience with macOS configuration profiles, scripting, patching, and security controls
- Deep understanding of mobile operating systems and enterprise mobility security frameworks
- Demonstrated ability to collaborate across technical teams, including Cybersecurity, Active Directory Infrastructure, Virtual Systems, and UEM
- Strong communication skills, with the ability to convey technical information to both technical and non-technical audiences, including executive leadership