Join to apply for the Sr. Systems Engineer - 6832 role at Summit Technologies LLC

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Join to apply for the Sr. Systems Engineer - 6832 role at Summit Technologies LLC

Summit Technologies, Inc. is looking for a Sr. Systems Engineer to join our client’s team, an independent US government agency. This 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 role based in Washington, D.C. Candidates must be eligible for a Public Trust clearance.

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.
  
  

• Bachelor’s 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 in Windows Server, Active Directory, Group Policy, and hybrid identity platforms (e.g., Entra ID).
• Demonstrated experience supporting and troubleshooting Unix/Linux operating systems.
• Experience working with Zero Trust Architecture concepts and tools, especially Zscaler.
• Familiarity with Oracle systems, 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.
  
  

• 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.
  
  

• Must be eligible to obtain and maintain a Public Trust clearance.
  
  

• Updated resume including MM/YYYY for each employer.
• Best times/dates to interview (plus phone # you can best be contacted at).
• Availability to start once given formal offers.
  
  

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

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