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Senior Security Engineer

UltraViolet Cyber Arlington, VA

Arlington, VA

Today

$100k - $130k/yr Full time Senior Cloud Platforms Endpoint Security

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Job Description

UltraViolet Cyber is seeking a Senior Security Engineer to support a Federal customer in Arlington, VA. In this onsite role, you will investigate and remediate vulnerabilities, support incident handling and threat detection, and help strengthen vulnerability and security management across Microsoft enterprise environments and related production systems.

You will work across identity and access management, compliance, security engineering, and Microsoft security technologies, contributing to both day-to-day operational outcomes and longer-term risk reduction efforts.

Responsibilities

Investigate, validate, prioritize, and remediate vulnerabilities across endpoints, servers, cloud services, and applications.
Develop clear, risk-based summaries of security assessment results and contribute to actionable reporting.
Assist in selecting and applying information security controls in coordination with system engineers, architects, and other technical stakeholders.
Support incident handling and response, including digital forensics, threat detection, and vulnerability management.
Use SIEM, SOAR, EDR, cloud services, and Microsoft enterprise/security technologies, including O365, Azure, Defender, and Entra.
Contribute to security planning, assessments, risk analysis, risk management, certification, and awareness activities for systems and networks.
Analyze security issues and help develop remediation strategies.
Communicate security concepts, risks, and recommendations to both technical and non-technical audiences.
Assist with vulnerability remediation and coordinate with teams to support timely resolution.
Help optimize the Microsoft Defender suite, including Defender for Endpoint, Defender for Cloud, Defender for Identity, and Defender for Office 365.
Assist with Microsoft Purview capabilities, including data classification, sensitivity labels, Data Loss Prevention, and eDiscovery workflows.
Write and tune Kusto Query Language (KQL) queries in Microsoft Sentinel, Defender, and Log Analytics to support detection and investigation.
Contribute to the review and improvement of security controls using findings from assessments and red or blue team engagements.
Help develop guidance and documentation for security controls, compliance requirements, and governance in the Microsoft cloud environment.

Requirements

Ability to attain DHS EOD.
BA and 10 years of experience, or AA and 12 years of experience (per contract requirements).
Active Security+ CE certification.
Demonstrated experience with Conditional Access Policies (CAPs), Azure AD/Entra, and Zero Trust principles.
Experience in one or more of the following: incident response, digital forensics, vulnerability management, identity and access management, threat detection, or security engineering.
Exposure to cybersecurity assessments such as vulnerability assessments, threat assessments, application security, or infrastructure security.
Familiarity with Cyber and NIST policy, Risk Management Framework, and implementation of security mitigations.
Strong analytical and problem-solving skills, with a focus on optimizing security workflows.
Professional, customer-oriented, and calm under pressure.
Effective written and verbal communication skills across stakeholder levels.

Technologies

SIEM, SOAR, EDR
O365, Azure, Defender, Entra
Microsoft Defender for Endpoint, Microsoft Defender for Cloud, Microsoft Defender for Identity, Microsoft Defender for Office 365
Microsoft Purview, Data Loss Prevention, eDiscovery
Kusto Query Language (KQL), Microsoft Sentinel, Log Analytics
Conditional Access Policies (CAPs), Azure AD, Zero Trust principles
DHS EOD, NIST, Risk Management Framework

Location: Arlington, VA (onsite)
Salary: USD 100,000 - 130,000 per year

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