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Lead Cyber Security SIEM Engineer

2 months ago

Herndon, Virginia, United States ManTech Full time

Protect Our Nation, Empower Your Future

Join a diverse team at an industry-leading organization where our employees are prioritized. At ManTech International, you will play a crucial role in safeguarding national security while engaging in innovative projects that offer pathways for career growth.

We are looking for a highly experienced and driven Lead Cyber Security SIEM Engineer to become a part of our Network Operations Security Center (NOSC). The successful candidate will possess extensive expertise in Security Information and Event Management (SIEM) systems, taking charge of the design, implementation, and maintenance of SIEM solutions to defend against cyber threats targeting DHS's networks and information systems.

Key Responsibilities:

  • Formulate and execute the enterprise Security Information and Event Monitoring (SIEM) strategy, including tool deployment via Splunk, and create data flow diagrams and alert feed architectures for effective alert integration.
  • Establish and sustain SIEM architecture, encompassing data sources, log management, and alerting frameworks.
  • Adjust tools, settings, alerts, and notifications to enhance enterprise security and resilience, including the integration of Security Orchestration and Automation for Response (SOAR) capabilities.
  • Generate content for rule implementation on network perimeter devices (firewalls, routers, switches, IDS/IPS, Taclanes, etc.).
  • Oversee security events and alerts, performing in-depth analysis to detect potential security incidents.
  • Engage in response activities for all significant enterprise outages.
  • Collaborate with incident response teams to investigate and mitigate security incidents.
  • Conduct regular system health assessments, maintenance, and upgrades to ensure optimal SIEM performance and reliability.
  • Provide technical mentorship and support to junior analysts and other team members.
  • Remain informed about the latest SIEM technologies, cyber threats, and industry best practices.
  • Design and deliver training sessions on SIEM tools and methodologies for DHS personnel.

Basic Qualifications:

  • A bachelor's degree in computer science, information technology, cybersecurity, or a related discipline.
  • A minimum of eight years of experience in cybersecurity with a concentration on SIEM engineering and operations.
  • Proficiency with SIEM platforms (e.g., Splunk, Swimlane, ArcSight, QRadar, LogRhythm).
  • Strong grasp of network protocols, system logs, and security event correlation.
  • Experience in developing and fine-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 in a government or defense setting.
  • Familiarity with DHS policies and procedures.
  • Knowledge of broader cybersecurity frameworks (e.g., NIST, ISO).

Clearance Requirements:

  • Must be a U.S. citizen.
  • Must possess a Secret clearance.
  • Must be able to obtain and maintain a Top-Secret clearance.

Physical Requirements:

  • Must be able to remain in a stationary position for extended periods.
  • Occasional movement within the office to access file cabinets, office machinery, etc.
  • Constantly operates a computer and other office productivity equipment, such as a calculator, copy machine, and computer printer.
  • Frequent communication with colleagues, management, and clients, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license. The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.

ManTech International Corporation, as well as its subsidiaries, proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.

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