Senior Systems Engineer

We are seeking aseeking aSenior Systems Engineerto support a critical U.S. government agency in the National Capital Region. This SME-level role is ideal for an experienced systems engineer with broad technical depth across Microsoft enterprise platforms Unix/Linux systems and Zero Trust Architecture (ZTA) components. The role offers an opportunity to support infrastructure modernization hybrid identity and access integration and implementation of secure enterprise environments aligned with agency goals.

The ideal candidate will be a subject matter expert in Microsoft and Linux systems administration with hands-on experience in identity federation enterprise directory services secure access platforms and modern endpoint and application hosting solutions. Familiarity with tools such as Zscaler Oracle and integration of Zero Trust frameworks is highly desirable.

This is a hybrid position that requires three days a week onsite in Washington DC.

Key Responsibilities:

• Lead the design implementation and lifecycle support of enterprise infrastructure across Windows Linux and hybrid environments.
• Serve as a senior escalation point for complex infrastructure issues especially in Microsoft Active Directory Entra ID (formerly Azure AD) and Unix/Linux OS environments.
• Provide expert support for:
  • Active Directory Group Policy and identity federation (AD FS Entra ID conditional access).
  • Windows Server and IIS-based application hosting.
  • Unix/Linux system administration and troubleshooting (e.g. RedHat Solaris).
  • Integration of COTS/third-party applications in secure environments.
  • Hybrid and cloud identity including Entra ID Connect and SSO/MFA policy design.
  • PaaS data processing services such as Data Bricks/Data Factory.
• Support the implementation and integration ofZero Trust Architecture components including secure web gateways access brokers and endpoint telemetry tools.
• Provide subject matter expertise inZscalerconfiguration and policy enforcement (e.g. ZIA ZPA).
• Support systems withOracle database or application backends including basic troubleshooting and system integration tasks.
• Develop and maintain technical documentation such as SOPs architecture diagrams platform configurations and change records.
• Automate routine administrative and operational tasks using scripting tools such as PowerShell Bash or Python.
• Collaborate with security network and operations teams to support secure scalable infrastructure aligned with compliance frameworks.

• Bachelors degree in Systems Engineering Computer Science Information Technology or related field; or 8 years of equivalent experience in lieu of a degree.
• At least six (6) years of hands-on experience in enterprise system engineering roles.
• Strong expertise inWindows ServerActive DirectoryGroup Policy andhybrid identity platforms(e.g. Entra ID).
• Demonstrated experience supporting and troubleshootingUnix/Linux operating systems.
• Experience working withZero Trust Architecture concepts and tools especiallyZscaler.
• Familiarity withOraclesystems including application integration or backend support.
• Proficiency in scripting and automation using PowerShell Bash or Python.
• Excellent troubleshooting skills technical documentation abilities and collaboration across technical domains.
• Ability to obtain a Public Trust.

• Experience with identity and access management integrations (e.g. AD FS Entra ID conditional access policies).
• Knowledge of endpoint and network security tools aligned with ZTA principles.
• Experience with enterprise web application hosting (e.g. IIS) and secure configurations.
• Industry certifications: Azure ITIL 4 Windows Server Hybrid Administrator CompTIA Linux Zscaler Certified Associate or equivalent.

Clearance Requirement:

• Must be eligible to obtain a U.S. Public Trust Clearance

• Competitive salary based on experience
• Profit sharing distributed twice a year
• 15 days ofpaid time off and 10 paid holidays per year
• 401(k)with employer matching
• Healthand dental benefits
• Opportunity to work with other talentedtechnical professionals

SharePointXperts is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race color religion sex national origin disability or protected Veteran status.
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