Senior Systems Engineer

WASHINGTON, DC, US • Posted 19 days ago • Updated 35 minutes ago

Full Time

On-site

USD $120,001.00 - 160,000.00 per year

SAIC

Fitment

Dice Job Match Score™

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Job Details

Skills

Science
Security Clearance
Microsoft
Directory Services
Microsoft Windows
Linux Administration
Red Hat Linux
Solaris
COTS
Cloud Computing
SSO
Multi-factor Authentication
PaaS
Data Processing
Database
Network
Regulatory Compliance
Computer Science
Active Directory
Group Policy
Unix
Linux
Operating Systems
Oracle
System Integration
Scripting
Windows PowerShell
Bash
Python
Technical Writing
Collaboration
Identity Management
Network Security
Web Applications
Hosting
Microsoft IIS
Microsoft Azure
ITIL
Microsoft Operating Systems
Microsoft Windows Server
Linux+
Information Technology
Systems Engineering
FOCUS

Summary

Job ID: 2601393

Location: WASHINGTON, DC, US

Date Posted: 2026-02-12

Category: Engineering and Sciences

Subcategory: Systems Engineer

Schedule: Full-time

Shift: Day Job

Travel: No

Minimum Clearance Required: None

Clearance Level Must Be Able to Obtain: Public Trust

Potential for Remote Work: Yes

Description

SAIC is seeking a Senior 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 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.

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 of Zero Trust Architecture components, including secure web gateways, access brokers, and endpoint telemetry tools.
Provide subject matter expertise in Zscaler configuration and policy enforcement (e.g., ZIA, ZPA).
Support systems with Oracle 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.

Qualifications

Required Qualifications:

Bachelor's degree in Systems Engineering, Computer Science, Information Technology, or related field; (4 years experience in lieu of degree).
At least six (6) years of hands-on experience in enterprise system engineering roles.
Ability to obtain and maintain a Public Trust requiring U.S. Citizenship.
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.

Preferred Qualifications:

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.

Target salary range: $120,001 - $160,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 10111346
Position Id: 2601393
Posted 19 days ago

Company Info

About SAIC

SAIC® is a premier Fortune 500 mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, civilian and intelligence markets include secure high-end solutions in mission IT, enterprise IT, engineering services and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.

We are approximately 24,000 strong; driven by mission, united by purpose, and inspired by opportunities. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.5 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

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