Senior Cyber Security Analyst - Security Engineering

Senior Cyber Security Analyst – Security Engineering

Join to apply for the Senior Cyber Security Analyst – Security Engineering role at Nevada National Security Sites

Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the U.S. National Nuclear Security Administration (NNSA). Our mission is to help ensure the security of the United States and its allies by providing high‑hazard experimentation and incident response capabilities through operations, engineering, education, field, and integration services, while acting as environmental stewards to the Site’s Cold War legacy.

Our vision is to be the user site of choice for large‑scale, high‑hazard, national security experimentation, with premier facilities and capabilities below ground, on the ground, and in the air.

• Full‑time employees receive highly competitive salaries and benefits packages including medical, dental, and vision; pension and 401(k); paid time off and 96 hours of paid holidays; relocation assistance (if located more than 75 miles from the work location); tuition assistance and reimbursement; and more.
• MSTS is a limited liability company consisting of Honeywell International Inc., Jacobs Engineering Group Inc., and HII Nuclear Inc.

• Assist the Information System Security Manager (ISSM) and Information System Security Officers (ISSOs) with the execution of their assigned duties.
• Contribute to an overall productive and respectful work environment by providing excellent customer service and working in a positive, collegial manner.
• Maintain cooperative and respectful working relationships with Cyber Security staff, other divisions, and customers.
• Review Cyber Security threat information and assist with mitigating identified vulnerabilities.
• Conduct Cyber Security policy compliance tasks including discovering unauthorized devices, conducting site surveys for non‑compliance, and ensuring network access requirements are met.
• Perform Security Test and Evaluations of information systems in support of a security plan.
• Review information system plans for classified and unclassified systems.
• Complete certification and accreditation of information systems on classified and unclassified systems and networks; assist with the completion and mitigation of security testing and evaluation results.
• Collaborate with cross‑functional teams to design, deploy, and maintain security controls, including firewalls, intrusion detection/prevention systems, endpoint protection, encryption, and multi‑factor authentication solutions.
• Design networks and systems with a security focus, ensuring systems are developed in accordance with federal law, customer requirements, certification and accreditation requirements, and industry best practices.
• Review purchase requests for technology items and provide input to senior level Cyber Security staff regarding the risk associated with purchases.
• Assist with data calls, Federal Information Security Modernization Act (FISMA) reporting, compliance scanning and reporting, continuous monitoring, and compiling reports for auditors.
• Perform other duties assigned by Management.

• Bachelor’s degree or equivalent training and experience in a computer‑related field and at least 5 years of related experience.
• Strong knowledge of network security principles, protocols, and technologies (e.g., TCP/IP, DNS, VPN, SSL/TLS).
• Strong understanding of National Institute of Standards and Technology (NIST) security standards; ability to apply NIST‑defined measures to harden information infrastructure.
• Hands‑on experience with security tools and technologies such as SAML, OAUTH, SIEM, IDS/IPS, DLP, WAF, EDR, and vulnerability management systems.
• Familiarity with cloud computing platforms (e.g., AWS, Azure, GCP) from a security perspective.
• Excellent analytical, problem‑solving, and communication skills with the ability to collaborate effectively with diverse teams and stakeholders.
• Strong commitment to continuous learning, professional development, and staying current with evolving cyber threats and security technologies.
• Preferred
  
  Certifications:
  
  
  • Certified System Security…