Senior Cybersecurity Engineer

Harmonia Holdings Group, LLC is an award-winning, rapidly growing federal government contractor committed to providing innovative, high-performing solutions to our government clients and focused on fostering a workplace that encourages growth, initiative, creativity, and employee satisfaction.  

Title: Senior Cybersecurity Engineer 
Location: Hybrid – Washington, DC
Terms: Full-time 
Clearance: Qualified candidates must be US citizens and able to obtain a minimum of a Public Trust clearance
Travel: 0-20% 

At Harmonia, we believe that our people are our greatest asset. We cultivate a dynamic workplace that encourages professional growth, initiative, and creativity while prioritizing employee engagement and satisfaction. By fostering a culture of collaboration and continuous improvement, we not only attract and retain top talent but also drive meaningful outcomes for the agencies we serve. 

Our commitment to excellence, innovation, and a thriving employee experience allows us to consistently exceed expectations, making Harmonia a trusted partner in advancing critical government missions. 

Position Description 

Harmonia is seeking a Senior Cybersecurity Engineer that will serve as the senior technical authority for cybersecurity operations within the customer’s Information Security Division. This role provides technical leadership, strategic direction, and hands-on support for the security operations center (SOC) and associated cybersecurity infrastructure. 

The successful candidate will lead efforts to enhance detection and response capabilities, integrate automation and machine learning into operational workflows, and ensure the integrity, confidentiality, and availability of mission-critical systems across the enterprise. 

Responsibilities:  

 Lead Cybersecurity Operations: 

• Direct day-to-day SOC operations, including threat detection, incident response, and continuous monitoring activities. 

• Manage, mentor, and guide local and remote cybersecurity analysts and engineers. 

• Serve as the escalation point for high-priority incidents and complex security events. 

Technical Oversight: 

• Design, implement, and optimize security infrastructure and tools, including Firewalls, VPNs, IDS/IPS, SIEM, EDR, NDR, A/V, Email and Web Content Filtering, and Virtualization technologies. 

• Ensure integration and interoperability between systems to enable centralized monitoring and response. 

• Develop and maintain automation scripts, dashboards, and playbooks to streamline threat detection and response processes. 

Threat Analysis & Response: 

• Oversee advanced threat hunting, malware analysis, and vulnerability management activities. 

• Coordinate and lead containment, eradication, and recovery efforts for cybersecurity incidents. 

• Apply data analytics and machine learning techniques to enhance proactive threat identification. 

Leadership & Collaboration: 

• Provide authoritative cybersecurity guidance to senior executives, technical leads, and federal stakeholders. 

• Foster collaboration between operations, architecture, and compliance teams to align operational efforts with policy objectives. 

• Communicate operational risks, trends, and remediation progress to leadership in clear, actionable terms. 

Process & Continuous Improvement: 

• Drive the implementation of federal and NIST-based cybersecurity frameworks (NIST SP 800-53, 800-61, 800-137, etc.). 

• Establish metrics, reporting standards, and best practices for SOC performance and cyber defense maturity.