Senior Cyber Security SIEM Specialist

ManTech

Aug 5

Applications are closed

Job
Full-time
Senior (5-8 years)
Herndon

Requirements

Basic Qualifications:
A bachelor’s degree in computer science, information technology, cybersecurity, or a related field
A minimum of (8) eight years of experience in cybersecurity with a focus on SIEM engineering and operations
Proficiency with SIEM platforms (e.g., Splunk, Swimlane, ArcSight, QRadar, LogRhythm)
Strong understanding of network protocols, system logs, and security event correlation
Experience in developing and tuning SIEM use cases, correlation rules, and alerts
Preferred Qualifications:
Relevant certifications, such as: Certified Information Systems Security Professional (CISSP), Certified Information Security Manager (CISM), Certified Ethical Hacker (CEH) -OR- SIEM specific certifications (e.g., Splunk Certified Power User)
A master’s degree
Experience working in a government or defense environment.
Familiarity with DHS policies and procedures.
Knowledge of broader cybersecurity frameworks (e.g., NIST, ISO 27001).
Clearance Requirements:
Must be a U.S. citizen
Must possess a Secret clearance
Must to able to obtain and maintain a Top-Secret clearance
Physical Requirements:
Must be able to remain in a stationary position for extended periods of time.
Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.
The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

Responsibilities

Develop and implement the enterprise Security Information and Event Monitoring (SIEM) strategy and tool implementation via Splunk, design data flow diagrams and alert feed architectures to ensure seamless alert integration
Develop and maintain SIEM architecture, including data sources, log management, and alerting mechanisms
Configure tools, settings, alerts, and notifications to improve the enterprise security and resilience capabilities, including implementation of Security Orchestration and Automation for Response (SOAR) capabilities
Develop content for rule implementation on network border devices (firewalls, routers, switches, IDS/IPS, Taclanes, etc.)
Monitor security events and alerts, conducting detailed analysis to identify potential security incidents
Participates in response activities to all major enterprise outages
Collaborate with incident response teams to investigate and remediate security incidents
Perform regular system health checks, maintenance, and upgrades to ensure SIEM performance and reliability
Provide technical guidance and support to junior analysts and other team members
Stay current with the latest SIEM technologies, cyber threats, and best practices
Develop and deliver training sessions on SIEM tools and techniques for DHS staff

FAQs

What is the primary role of a Senior Cyber Security SIEM Specialist at ManTech?

The primary role is to design, implement, and maintain Security Information and Event Management (SIEM) solutions to protect DHS's networks and information systems from cyber threats.

What qualifications are required for this position?

A bachelor’s degree in computer science, information technology, cybersecurity, or a related field, along with a minimum of eight years of experience in cybersecurity with a focus on SIEM engineering and operations, is required.

Are there any preferred qualifications for this role?

Yes, preferred qualifications include relevant certifications such as CISSP, CISM, or CEH, a master's degree, experience working in a government or defense environment, and familiarity with DHS policies and procedures.

Is a security clearance required for the position?

Yes, candidates must possess a Secret clearance and must be able to obtain and maintain a Top-Secret clearance.

Does the job involve collaboration with other teams?

Yes, the position involves collaborating with incident response teams to investigate and remediate security incidents.

What tools and technologies should candidates be proficient with?

Candidates should be proficient with SIEM platforms such as Splunk, Swimlane, ArcSight, QRadar, or LogRhythm, as well as have a strong understanding of network protocols and security event correlation.

What responsibilities does the Senior Cyber Security SIEM Specialist have regarding training?

The specialist is responsible for developing and delivering training sessions on SIEM tools and techniques for DHS staff.

What is the work environment like for this position?

The position is part of a diverse team within the Network Operations Security Center (NOSC) at ManTech International, aimed at securing national security through innovative projects.

Can you describe the physical requirements for this role?

The role requires the ability to remain in a stationary position for extended periods, occasionally move about inside the office, operate office machinery, and communicate frequently with co-workers and management.

How does ManTech support diversity and equal opportunity in hiring?

ManTech is an equal opportunity employer and does not discriminate based on race, color, sex, religion, age, sexual orientation, national origin, disability, veteran status, or any other characteristic protected by law.

ManTech

Securing the Future

Technology

Industry

5001-10,000

Employees

1968

Founded Year

Mission & Purpose

ManTech is more than a technology company. We are a company dedicated to service, and we consider our work a part of the public trust. The people of ManTech are privileged to work for the security of the United States, the welfare of our service members and veterans, the protection of our communities, and the cause of better health care. We have served the nation for more than 50 years, and in that time we have continually changed and grown to provide the technology that government needs to meet new challenges. We seek people with the same strong ethic of service, creativity, energy, and dedication to serving our country. We are comprised of more than 9,800 talented employees around the world. Nearly half of our employees are veterans. Many others come from the Intelligence Community, Homeland Security and federal civilian agencies. We understand our customers’ challenges because we know their world firsthand. When Federal managers and military leaders face tough challenges in cyber, data collection & analysis, enterprise IT or systems and software engineering, they turn to ManTech to get the job done right. These professionals trust ManTech and stay with us for years because we understand their needs and tackle their most complex challenges head on. They know that reaching their goal is our ultimate objective.