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Sr Subject Matter Expert Jobs (NOW HIRING)

SiloSmashers

Senior Subject Matter Expert

Arlington, VA · On-site

$125 - $150/hr

Senior Subject Matter Expert (Hybrid) Location: Arlington, VA (Hybrid) Clearance: Must be a U.S. citizen with the ability to obtain and maintain a TS/SCI clearance and DHS suitability, as required by ...

SiloSmashers

Senior Subject Matter Expert

Arlington, VA · Hybrid

Senior Subject Matter Expert Location: Arlington, VA (Hybrid) Clearance: Must be a U.S. citizen with the ability to obtain and maintain a TS/SCI clearance and DHS suitability, as required by federal ...

SiloSmashers

Senior Subject Matter Expert

Arlington, VA · On-site

Senior Subject Matter Expert Location: Arlington, VA (Hybrid) Clearance: Must be a U.S. citizen with the ability to obtain and maintain a TS/SCI clearance and DHS suitability, as required by federal ...

SiloSmashers

Senior Subject Matter Expert

Arlington, VA · On-site

The Senior Subject Matter Expert (SME) will serve as a trusted advisor to DHS CISA, providing strategic guidance on IT modernization, cloud adoption, and cybersecurity initiatives. This role partners ...

BVG & Company

Subject Matter Expert I

Washington, DC · On-site

$100 - $125/hr

The Subject Matter Expert I (SME I) full-time position supports the headquarters staff for a U.S ... senior leaders and various audiences. * Must be willing and able to travel domestically and/or ...

CACI

WMD Subject Matter Expert

Charlottesville, VA · On-site

$90K - $189K/yr

WMD Subject Matter Expert Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% ...

gTANGIBLE

Cloud Subject Matter Expert

Arlington, VA · On-site

Cloud Subject Matter Expert Location: Arlington, VA Security Clearance:Secret Duties and Responsibilities The Cloud Subject Matter Expert (SME) supports this Transportation Security Administration ...

Creative G C

Subject Matter Expert II

Washington, DC · On-site

Subject Matter Expert II [Domain: (Analytical, organic or inorganic chemistry experience with extensive knowledge of cosmetics manufacturing industry)] Location: DMV (On-site in metro-based area ...

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Sr Subject Matter Expert information

What is the difference between Sr Subject Matter Expert vs Subject Matter Expert?

AspectSr Subject Matter ExpertSubject Matter Expert
CredentialsTypically requires advanced certifications, extensive experienceRequires relevant certifications, moderate experience
Work EnvironmentLeads projects, mentors teams, provides strategic guidanceProvides expertise, supports project teams, offers technical advice
Industry UsageCommon in large organizations, consulting firmsWidespread across industries, entry to senior levels
Search & Comparison IntentOften searched for in senior roles, leadership contextMore general, entry to mid-level expertise

The main difference between a Sr Subject Matter Expert and a Subject Matter Expert lies in experience, responsibilities, and leadership. The senior role involves strategic oversight, mentoring, and project leadership, while the standard SME provides technical expertise and support. Both roles are vital, but the senior position typically requires more credentials and industry experience.

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Sr Subject Matter Expert jobs near you
Infographic showing various Sr Subject Matter Expert job openings in the United States as of September 2026, with employment types broken down into 1% As Needed, 57% Full Time, 25% Part Time, 1% Temporary, and 16% Contract. Highlights an 91% Physical, 1% Hybrid, and 8% Remote job distribution.

Senior Subject Matter Expert

SiloSmashers

Arlington, VA • On-site

$125 - $150/hr

Other

Re-posted 17 days ago

Job description

Senior Subject Matter Expert (Hybrid)

Location: Arlington, VA (Hybrid)

Clearance: Must be a U.S. citizen with the ability to obtain and maintain a TS/SCI clearance and DHS suitability, as required by federal contract.

Overview

The Senior Subject Matter Expert (SME) will serve as a trusted advisor to DHS CISA, providing strategic guidance on IT modernization, cloud adoption, and cybersecurity initiatives. This role partners with federal leadership to shape enterprise solutions and ensure alignment with mission and security priorities.

Summary

The Senior Subject Matter Expert (SME) will serve as a trusted advisor to DHS CISA, providing strategic guidance on IT modernization, cloud adoption, and cybersecurity initiatives. This role partners with federal leadership to shape enterprise solutions and ensure alignment with mission and security priorities.

Responsibilities
  • Provide expert technical direction and validate solution designs for complex IT systems.
  • Advise executive stakeholders with risk-based recommendations to support decision-making.
  • Mentor and guide junior staff, facilitating knowledge transfer across teams.
  • Ensure solutions align with DHS enterprise architecture, Zero Trust strategy, and federal compliance requirements.
Qualifications
  • 10+ years of specialized experience in IT, cybersecurity, or enterprise architecture.
  • Proven experience advising senior federal leadership on modernization and cybersecurity policy.
  • Strong leadership, analytical, and communication skills with client-facing expertise.
  • Relevant certifications such as CISSP, CISM, or cloud architect certifications (AWS, Azure, etc.) strongly preferred.
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