Senior Cyber Defense Analyst

SAIC; Kittery (ME); On-site; USD 120,000 - 160,000; Full time

Job summary

SAIC is seeking a Senior Security Engineer to support the Portsmouth Naval Shipyard (PNSY) Information Technology Programs for the Dept of the Navy. This role focuses on monitoring, detecting, and responding to cybersecurity threats using HBSS and SIEM, coordinating remediation and improving security posture.

Work is on-site in Kittery, ME, with travel up to 10% and a required Active Secret Clearance. Responsibilities include vulnerability scanning, VM management, incident response, and on-site

Qualifications

• Bachelor’s degree and eight years of experience, or equivalent experience.
• Experience with DoD standard tools for vulnerability scans.
• Knowledge of vulnerability management and endpoint security technologies.

Responsibilities

• Scan Utilize DoD standard software tools to conduct vulnerability scans of all equipment on the PSNS and IMF network for vulnerabilities.
• Vulnerability Management (VM) Assist local Systems Administrators in maintaining positive VM control of systems under their control.
• Incident Response Assist with the identification, protection, detection, response, and recovery of cybersecurity incidents, and coordinate incident response and reporting processes.
• HBSS configuration, operation, troubleshooting, and maintenance of endpoint security technologies, ensuring policy compliance.
• SIEM configuration, operation, troubleshooting, and maintenance of sensor platforms.
• NNPP Assist with maintaining VM and endpoint compliance.
• Provide on-site support including basic network administration and ship cable maintenance with COMSEC at PNSY.

Skills

Vulnerability scanning

VM management

Incident response

HBSS

SIEM

Security policy

Education

Bachelor's degree

Tools

DoD standard tools

Job description

Minimum Clearance Required Secret

Job ID 2617778

Location Kittery, ME, US

Date Posted 2026-10-09

Category Cyber

Subcategory Cyber GRC

Schedule Full-Time

Shift Day Job

Travel Yes - 10% of the time

Clearance Level Must Be Able to Obtain None

Potential for Remote Work ORA_ON_SITE

Description SAIC is seeking a Senior Security Engineer to support the Portsmouth Naval Shipyard (PNSY) Information Technology Programs for the Dept of the Navy. This initiative leverages advanced technologies and integrates critical defense systems to optimize ship maintenance through IT applications, systems, and training, ensuring sustained mission success in naval ship maintenance operations.

Work is performed on site in Kittery, ME.

ROLE

Actively monitor, detect, and respond to cybersecurity threats and incidents within an organization. Utilize advanced security tools and technologies, such as Host-Based Security System (HBSS) and Security Information Event Management (SIEM) platforms, to continuously monitor network traffic, identify vulnerabilities, and detect suspicious activities. Conduct thorough investigations of security incidents, implement incident response protocols, and coordinate remediation efforts to mitigate potential risks. Collaborate with IT teams to enforce security policies, deploy updates, and ensure the overall integrity and confidentiality of information systems. Provide expert analysis on emerging threats, recommend proactive security measures, and contribute to the development of robust cybersecurity strategies. Play a critical role in maintaining a secure operational environment by ensuring rapid identification and response to cybersecurity threats. Utilize DoD standard software tools to conduct vulnerability scans and assist local Systems Administrators in maintaining positive Vulnerability Management (VM) control of systems.

Responsibilities

• Scan Utilize DoD standard software tools to conduct vulnerability scans of all equipment on the PSNS and IMF network for vulnerabilities.
• Vulnerability Management (VM) Assist local Systems Administrators in maintaining positive VM control of systems under their control.
• Incident Response Assist with the identification, protection, detection, response, and recovery of cybersecurity incidents, and coordinate incident response and reporting processes.
• Host-Based Security System (HBSS) Assist with configuring, operating, troubleshooting, and maintaining endpoint security protection technologies inclusive of HBSS; and ensuring compliance with established policies and procedures and higher headquarters guidance.
• Security Information Event Management (SIEM) Assist with configuring, operating, troubleshooting, and maintaining sensor platforms.
• NNPP Assist with maintaining VM and endpoint compliance.
• Provide on-site support, including basic network administration, basic network server administration and customer support for ship cable maintenance and repair activities at the PNSY [to] include Communication Security (COMSEC) and a majority of End Device Support items.

Qualifications

EDUCATION Bachelor’s degree and eight (8) years of experience, or additional years of experience considered in lieu of degree.

Required Expertise

• Proficiency in utilizing DoD standard software tools to conduct thorough vulnerability scans on network equipment.
• Experience assisting in the maintenance of positive Vulnerability Management (VM) control and configuring, operating, troubleshooting, and maintaining endpoint security technologies, including Host-Based Security System (HBSS).
• Skills in supporting the identification, protection, detection, response, and recovery of cybersecurity incidents, and coordinating incident response and reporting processes.
• Familiarity with configuring and maintaining Security Information Event Management (SIEM) sensor platforms.
• Capable of working under the direction and supervision of senior personnel, contributing to maintaining VM and endpoint compliance.

REQUIRED CERTIFICATION

CompTIA Security+

REQUIRED CLEARANCE

Active Secret Clearance.

DESIRED CERTIFICATION

Certified Ethical Hacker (CEH), Certified Information Security Manager (CISM), Certified Information Systems Security Professional (CISSP).

Target salary range $120,001 - $160,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.