> Markdown version of [/jobs/ext/4586055-senior-security-engineer](https://www.wearedevelopers.com/jobs/ext/4586055-senior-security-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Security Engineer - **Company:** Ultraviolet Cyber - **Location:** Arlington, VA, United States - **Experience:** Expert - **Salary:** $100,000 - $130,000 - **Contract:** Permanent contract - **Skills:** Adobe Analytics, Systems Engineering, Microsoft Azure, Microsoft Online Services, Cloud Computing, Cyber Security, Information Leak Prevention, Digital Forensics, Identity and Access Management, Internet Security, Intrusion Detection and Prevention, Log Analysis, Microsoft Office, Microsoft Software, Azure Active Directory, Cloud Services, Kusto Query Language, Zero Trust Network Access, Security Information and Event Management, Software Vulnerability Management, EndPointSecurity, Data Classification, Office365, Software Security, Microsoft Sentinel, Data Management, Blue Team (Cyber Security), Security Orchestration, Automation & Response, Vulnerability Analysis - **Published:** November 5, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-security-engineer-arlington-va--6bb18fd8-e1d6-4e44-ba25-ea619eb797ba ## About the Role Internet Security, Federal Government, Fortune 500 Customers, Analysis Skills, Production Systems, Computer Security, Identity Data Management, Systems Engineering, Establish Priorities, Cloud Applications, 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 regarding Conditional Access Policies (CAPs), Azure AD/Entra, and Zero Trust principles. -Experience in one or more of the following areas: 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 the 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. ## Description UltraViolet Cyber is looking for a Security Engineer to support one of our Federal customers. The role calls for an analytical mindset, solid understanding of cybersecurity frameworks and methodologies, and hands-on experience with security tools in production environments. You will work across identity and access management, compliance, vulnerability management, red and blue teams, development, and systems engineering to keep customer systems mission ready. What You'll Do: -Investigate, validate, prioritize, and remediate vulnerabilities across endpoints, servers, cloud services, and applications. -Produce clear, risk-based summaries of security assessment results and contribute to actionable reporting. -Assist in selecting and applying appropriate information security controls in coordination with system engineers, architects, and other technical stakeholders. -Support incident handling and response, digital forensics, threat detection, and vulnerability management processes. -Use SIEM, SOAR, EDR, cloud services, and Microsoft enterprise 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 effective remediation strategies. -Communicate security concepts, risks, and recommendations to technical and non-technical audiences. -Assist with vulnerability remediation and coordinate with teams to ensure 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 aid detection and investigation. -Contribute to the review and improvement of security controls using findings from assessments and red or blue team engagements. -Help develop clear guidance and documentation for security controls, compliance requirements, and governance in the Microsoft cloud environment.