General Dynamics Information Technology

Overview
Join our dynamic cybersecurity team as a Senior Cybersecurity Analyst and become a vital defender of our digital assets! In this energetic role, you will lead efforts to safeguard our IT infrastructure, ensuring the integrity, confidentiality, and availability of critical systems. Your expertise will drive proactive security measures, incident response, and vulnerability management, empowering our organization to operate confidently in a rapidly evolving threat landscape. This position offers an exciting opportunity to leverage your technical skills and strategic mindset to make a meaningful impact on our security posture.

Duties

• Develop, implement, and maintain comprehensive system security plans aligned with industry standards such as ISO 27000 and NIST frameworks.
• Conduct thorough vulnerability assessments and research to identify potential threats within network infrastructure, including LAN, WAN, and cloud environments like AWS and Google Cloud Platform.
• Monitor security alerts using SIEM tools such as Splunk or SolarWinds; analyze logs for threat detection & response; and perform log analysis to identify suspicious activity.
• Manage network security devices including firewalls (Cisco ASA), IDS/IPS systems, VPNs, and Cisco ISE for identity & access management.
• Perform system hardening on operating systems such as Windows, Linux (Debian, CentOS), macOS, and openSUSE; ensure compliance with security standards like FIPS and FedRAMP.
• Lead incident response efforts by coordinating incident management activities, disaster recovery plans, and incident recovery procedures across diverse IT environments.
• Collaborate with network engineering teams to optimize network architecture using routing protocols (OSPF, BGP), IPsec VPNs, load balancing solutions, and high availability configurations.
• Conduct threat intelligence research; stay current on attack frameworks; utilize tools like Fiddler or PowerShell scripting for threat detection & mitigation.
• Support vulnerability management initiatives through vulnerability assessment tools; execute system security hardening strategies; maintain compliance with PCI DSS and other regulatory standards.

Experience

• Extensive experience in cybersecurity analysis within complex IT infrastructure environments including LAN/WAN networks, cloud platforms (AWS, Google Cloud), and virtualization technologies such as VMware vSphere.
• Proven expertise in computer networking concepts including TCP/IP protocols, routing protocols (EIGRP, OSPF), network installation & support, and network management tools like SolarWinds or PRTG.
• Strong knowledge of security analysis techniques involving SIEM platforms (Splunk), log analysis, intrusion detection systems (IDS), threat detection & response methodologies.
• Hands-on experience with system administration across diverse operating systems including Windows Server environments, Linux distributions (Debian, CentOS), UNIX variants (Solaris), and macOS.
• Familiarity with encryption standards such as PKI implementations; experience implementing identity & access management solutions like LDAP or Active Directory.
• Background in vulnerability research & assessment; familiarity with open-source tools like Bash scripting or Python for automation tasks.
• Experience in cyber forensic research and threat hunting.
• Experience working with or in a SOC
• Experience mapping detection and incidents to MITRE ATT&CK
• Knowledge of IT governance frameworks such as COBIT or ITIL; understanding of cloud architecture principles including IaaS/PaaS models; experience working within Agile development cycles or SDLC processes. Join us to be at the forefront of cybersecurity innovation—protecting vital information assets while advancing your career in a vibrant environment that values your expertise!

Tools & Technologies

• SIEM: Splunk
• Operating Systems: Windows Server, Linux (Kali, Ubuntu, Debian)
• Security Tools: Endpoint protection, network analysis tools, vulnerability scanners
• Frameworks: MITRE ATT&CK, NIST CSF
• Scripting: Python, PowerShell, Bash

Education & Certifications

• Bachelor’s degree in Information Security, Computer Science, or related field (or equivalent experience)

Why Join Us

• Work on real-world security incidents and meaningful security challenges
• Opportunity to influence and improve detection and response capabilities
• Exposure to both defensive and offensive security disciplines
• Work for a small highly skilled and growing team that builds high trust relationships with clients

Pay: $80,699.70 - $97,186.73 per year

Benefits:

• 401(k) matching
• Dental insurance
• Health insurance
• Paid time off
• Vision insurance

Work Location: Hybrid remote in Billings, MT 59101