logo inner

Senior Security Engineer - Security Operations

UltraViolet CyberNational Harbor, Maryland, United States | Washington D.c., United StatesHybrid, Onsite

Make a difference here.


UltraViolet Cyber is a leading platform-enabled unified security operations company providing a comprehensive suite of security operations solutions. Founded and operated by security practitioners with decades of experience, the UltraViolet Cyber security-as-code platform combines technology innovation and human expertise to make advanced real-time cybersecurity accessible for all organizations by eliminating risks of separate red and blue teams. By creating continuously optimized identification, detection, and resilience from today’s dynamic threat landscape, UltraViolet Cyber provides both managed and custom-tailored unified security operations solutions to the Fortune 500, Federal Government, and Commercial clients.

UltraViolet Cyber is headquartered in McLean, Virginia, with global offices across the U.S. and in India. We are seeking a Senior Security Engineer to implement and manage advanced security solutions with a focus on Mandiant and Proofpoint technologies within federal government environments. This role will be responsible for security architecture, threat detection, incident response, and email security operations across critical government infrastructure. Key Responsibilities Design and implement security controls using Mandiant and Proofpoint solutions to protect federal networks Engineer custom integrations between security tools to enhance threat detection and response capabilities Lead security architecture efforts to ensure comprehensive protection against advanced threats Configure and tune Proofpoint email security defenses to protect against phishing and advanced threats Implement and manage Mandiant Threat Intelligence feeds within existing security infrastructure Develop and maintain security automation workflows to streamline incident response Implement security monitoring solutions and develop custom detection rules Provide technical leadership during security incidents and coordinate response activities Ensure all security implementations meet federal requirements (FISMA, RMF, CISA directives) Required Qualifications Bachelor's degree in Cybersecurity, Information Security, or related field 7+ years of security engineering experience with 3+ years focusing on advanced threat detection Hands-on experience configuring and managing Mandiant security solutions Demonstrated expertise with Proofpoint email security implementation and administration Strong understanding of security operations in high-security environments Experience implementing security controls per NIST SP 800-53 requirements Knowledge of threat hunting methodologies and incident response procedures Proficiency with security scripting and automation (Python, PowerShell) Experience with security tools integration and API development Preferred Qualifications Experience securing federal agency networks and systems Prior work with federal agency security operations Security certifications (CISSP, GIAC, CEH, Security+) Experience with SIEM platforms and security orchestration tools Background in cloud security for government environments (FedRAMP) Knowledge of Zero Trust implementation per federal guidelines Experience with supply chain security requirements (EO 14028) Work Environment Hybrid work model with 2 day/week on-site presence near National Harbor, Maryland Must maintain required security clearance Participation in on-call rotation for security incident response 

What You'll Do:


  • Design and implement security controls using Mandiant and Proofpoint solutions to protect federal networks 
  • Engineer custom integrations between security tools to enhance threat detection and response capabilities 
  • Lead security architecture efforts to ensure comprehensive protection against advanced threats 
  • Configure and tune Proofpoint email security defenses to protect against phishing and advanced threats 
  • Implement and manage Mandiant Threat Intelligence feeds within existing security infrastructure 
  • Develop and maintain security automation workflows to streamline incident response 
  • Implement security monitoring solutions and develop custom detection rules 
  • Provide technical leadership during security incidents and coordinate response activities 
  • Ensure all security implementations meet federal requirements (FISMA, RMF, CISA directives) 

What You've Done:


  • Bachelor's degree in Cybersecurity, Information Security, or related field 
  • 7+ years of security engineering experience with 3+ years focusing on advanced threat detection 
  • Hands-on experience configuring and managing Mandiant security solutions 
  • Demonstrated expertise with Proofpoint email security implementation and administration 
  • Strong understanding of security operations in high-security environments 
  • Experience implementing security controls per NIST SP 800-53 requirements 
  • Knowledge of threat hunting methodologies and incident response procedures 
  • Proficiency with security scripting and automation (Python, PowerShell) 
  • Experience with security tools integration and API development 

Preferred Qualifications:


  • Experience securing federal agency networks and systems 
  • Prior work with federal agency security operations 
  • Security certifications (CISSP, GIAC, CEH, Security+) 
  • Experience with SIEM platforms and security orchestration tools 
  • Background in cloud security for government environments (FedRAMP) 
  • Knowledge of Zero Trust implementation per federal guidelines 
  • Experience with supply chain security requirements (EO 14028) 

Work Environment:


  • Hybrid work model with 2 day/week on-site presence near National Harbor, Maryland 
  • Must be able to pass a Federal background investigation - US Citizenship required
  • Participation in on-call rotation for security incident response 

What We Offer:


  • 401(k), including an employer match of 100% of the first 3% contributed and 50% of the next 2% contributed  
  • Medical, Dental, and Vision Insurance (available on the 1st day of the month following your first day of employment)  
  • Group Term Life, Short-Term Disability, Long-Term Disability  
  • Voluntary Life, Hospital Indemnity, Accident, and/or Critical Illness  
  • Participation in the Discretionary Time Off (DTO) Program  
  • 11 Paid Holidays Annually 

$140,000 - $155,000 a yearUltraViolet Cyber maintains broad salary ranges for its roles in order to account for variations in knowledge, skills, experience, market conditions and locations, as well as reflect our company's differing products, services, industries and lines of business. Candidates are typically placed into the range based on the preceding factors.We sincerely thank all applicants in advance for submitting their interest in this position. We know your time is valuable.

UltraViolet Cyber welcomes and encourages diversity in the workplace regardless of race, gender, religion, age, sexual orientation, gender identity, disability, or veteran status. 


If you want to make an impact, UltraViolet Cyber is the place for you! Apply for this job

Life at UltraViolet Cyber

Unified Security Operations, Delivered. We tear down the walls between red and blue teams & address risk exposure when it’s discovered—not weeks later. UltraViolet Cyber is a leading platform-enabled unified security operations company providing a comprehensive suite of security operations solutions.\n\nFounded and operated by security practitioners with decades of experience, the UltraViolet Cyber security-as- code platform combines technology innovation and human expertise to make advanced real time cybersecurity accessible for all organizations by eliminating risks of separate red and blue teams. By creating continuously optimized identification, detection and resilience from today’s dynamic threat landscape, UltraViolet Cyber provides both managed and custom-tailored unified security operations solutions to the Fortune 500, Federal Government, and Commercial clients.\n\nUltraViolet Cyber is headquartered in McLean, Virginia with global offices across the U.S. and in India.
Thrive Here & What We Value- Participation in the Discretionary Time Off (DTO) Program- 401(k), including an employer match of 100% of the first 3% contributed and 50% of the next 2% contributed- Medical, Dental, and Vision Insurance (available on the 1st day of the month following your first day of employment)- Group Term Life, Short-Term Disability, Long-Term Disability- Voluntary Life, Hospital Indemnity, Accident, and/or Critical Illness- Emphasis on creating a culture of cybersecurity awareness and responsibility- Strong relationships with key stakeholders, including IT teams, executives, and employees- 11 Paid Holidays Annually- Making a difference here- Leading platform-enabled unified security operations company providing comprehensive suite of security operations solutions- Founded and operated by security practitioners with decades of experience- Combining technology innovation and human expertise to make advanced real-time cybersecurity accessible for all organizations by eliminating risks of separate red and blue teams.- Creating continuously optimized identification, detection, and resilience from today’s dynamic threat landscape.</s>
Your tracker settings

We use cookies and similar methods to recognize visitors and remember their preferences. We also use them to measure ad campaign effectiveness, target ads and analyze site traffic. To learn more about these methods, including how to disable them, view our Cookie Policy or Privacy Policy.

By tapping `Accept`, you consent to the use of these methods by us and third parties. You can always change your tracker preferences by visiting our Cookie Policy.

logo innerThatStartupJob
Discover the best startup and their job positions, all in one place.
Copyright © 2025