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Security Tools Engineer; TS​/SCI - St Louis, MO

Job in St. Louis, Missouri, USA
Listing for: GuidePoint Security
Full Time position
Listed on 2025-10-16
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, Network Security, IT Support
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below
Position: Security Tools Engineer (TS/SCI) - St Louis, MO
Location: St. Louis

Overview

Security Tools Engineer (TS/SCI) - St Louis, MO

Active Top Secret/SCI clearance is required prior to consideration for this role. Work is performed 100% onsite.

What You'll Do
  • Design and implement shell scripts to automate system maintenance tasks, enhancing efficiency and reliability.
  • Configure and manage system logging, including remote logging, to facilitate thorough log analysis for troubleshooting and security monitoring.
  • Establish and maintain networking services, including firewall configurations and SELinux policies, to ensure secure and optimized system performance.
  • Utilize partitions and logical volumes to configure local storage solutions tailored to specific project requirements.
  • Deploy, configure, and maintain systems, ensuring software installations, updates, and core services are managed effectively.
  • Apply a solid understanding of networking protocols (DNS, SMTP, DHCP) and utilize network troubleshooting tools (e.g. tcpdump, Trace route, Ping, Netstat, nslookup) to diagnose and resolve issues.
Qualifications
  • Bachelor's degree in Computer Science, Information Technology, Computer Engineering, or Electrical Engineering.
  • 7+ years of related experience in SEIM, network operations, network engineering, leading technology teams, leading operation cybersecurity teams, or a combination thereof.
  • Active TS/SCI (required to obtain a CI Poly within 6 months of hire date).
  • DOD 8570 IAT II certifications (CompTIA Security+ or equivalent).
  • Proven experience in Linux system administration, with a strong background in shell scripting and system automation.
  • Expertise in configuring system logging, analyzing logs for troubleshooting, and implementing secure networking services.
  • Familiarity with AWS services such as EC2, S3, Cloud Formation, and Terraform is advantageous.
  • Experience with automation tools like Ansible and version control systems such as Git Hub/Git Lab for script and code management.
  • A proactive approach to system optimization and a continuous learning mindset to stay updated with the latest in Linux systems and cybersecurity.
  • Excellent collaboration skills, with the ability to work effectively across teams to achieve system-related goals.
  • Related technical experience in network security technologies such as Juniper SRX, Palo Alto Firewall, F5 Load Balancer, Cisco FTD/ASA, Gigamon, Fire Eye, RSA Netwitness or others (note: these are examples and not required to have expertise in all).
Nice to Haves
  • CI Poly (required within 6 months).
  • CSSP Infrastructure Support certifications, commonly CEH or CySA+ (or other qualifying certs) within 6 months.
Benefits
  • Remote workforce primarily (U.S. based; some travel may be required; on-site may be required for Federal positions).
  • Group Medical Insurance options and dental coverage details; generous employer contributions.
  • 12 corporate holidays and a Flexible Time Off (FTO) program.
  • Healthy mobile phone and home internet allowance.
  • Eligibility for retirement plan after open enrollment.
  • Pet benefit option.

Referral notices:
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