Cyber Network Defense Analyst

Mission Technologies, a division of HII; Hampton (VA); On-site; USD 85,000 - 115,000; Full time

Job summary

Mission Technologies, a division of HII, is seeking a Cyber Network Analysis Tech to reinforce our security operations in Virginia. You will configure and maintain security tools, respond to incidents, and collaborate with cross-functional teams to strengthen defenses.

The role requires Security+ and TS/SCI clearance, hands-on experience with firewalls, IDS/IPS, SIEM, and scripting for automation. You will document procedures, support audits, and contribute to threat intelligence and incident

Qualifications

• 2 years relevant experience with a related bachelor's degree, or 6 years with HS diploma (Tech 2).
• 5 years relevant experience with a related bachelor's degree, or 9 years with HS diploma (Tech 3).
• Security+ certification.
• Experience configuring and managing security tools (firewalls, IDS/IPS, SIEM, antivirus).
• Knowledge of security frameworks and best practices.
• Programming/scripting in Python or Bash for automation.
• Strong communication and teamwork skills.
• Knowledge of network and systems administration.
• Familiarity with cloud security principles.
• Active TS/SCI security clearance.

Responsibilities

• Configure, maintain, and optimize security tools such as IDS, IPS, firewall rules, antivirus, and SIEM to detect and mitigate threats.
• Collaborate with cross-functional teams to design and implement new security capabilities.
• Develop and document security procedures, incident response plans, and playbooks to guide SOC team members.
• Participate in incident response activities, including analyzing and containing incidents, performing forensic analysis, and assisting with post-incident reviews.
• Identify, prioritize, and remediate security vulnerabilities across the organization’s infrastructure and applications.
• Stay up-to-date with the latest cybersecurity threats and trends and integrate threat intelligence into SOC operations.
• Ensure compliance with regulations and standards and conduct security assessments as needed.
• Maintain detailed records of security configurations, incidents, and procedures to support audits and reporting.

Skills

Security best practices

Python scripting

Incident response

Team collaboration

Security frameworks knowledge

Cloud security principles

Attention to detail

Excellent communication

Strong problem-solving

Active TS/SCI clearance

Education

Bachelor's degree in a related field

High school diploma or equivalent and 6 years relevant experience (Cyber Network Analysis Tech 2)

High school diploma or equivalent and 9 years relevant experience (Cyber Network Analysis Tech 3)

Tools

SIEM

IDS/IPS

Firewall configuration

Antivirus solutions

Security tools management

Job description

Mission Technologies, a division of HII, is seeking a Cyber Network Analysis Tech to reinforce our security operations in Virginia. You will configure and maintain security tools, respond to incidents, and collaborate with cross-functional teams to strengthen defenses.

The role requires Security+ and TS/SCI clearance, hands-on experience with firewalls, IDS/IPS, SIEM, and scripting for automation. You will document procedures, support audits, and contribute to threat intelligence and incident