Information Security Specialist

Resource Management Concepts, Inc.; Crane (IN); On-site; USD 110,000 - 125,000; Full time

Benefits offered by this job

Career advancement opportunities

Tuition assistance

Competitive paid vacation

High-quality healthcare plans

Pet insurance

401K plan

Job summary

A leading management and technology solutions firm is seeking an experienced Information Security Specialist to ensure network security and compliance. Responsibilities include administering security infrastructure, managing Linux systems, and implementing Splunk for monitoring. Candidates must have active DoD Secret Clearance and extensive experience in network security. RMC offers competitive benefits, career growth opportunities, and a salary range of $110,000 to $125,000 annually.

Qualifications

• Active DoD Secret Clearance is mandatory.
• 3+ years of experience in network security or systems administration.
• Strong experience administering and securing Linux environments (RHEL, CentOS, Ubuntu).
• Hands-on experience with Splunk for log analysis.

Responsibilities

• Administer, monitor, and secure enterprise network infrastructure.
• Manage and harden Linux-based systems.
• Implement and maintain Splunk for log aggregation.
• Analyze security logs and network traffic.
• Develop and maintain Splunk searches and alerts.

Skills

Linux administration

Splunk for security monitoring

Incident response

Network security principles

TCP/IP

Vulnerability assessments

Troubleshooting skills

Analytical skills

Education

Bachelor's degree in Computer Science, Information Security, or related field

DoD IAT Level III certification

Tools

Splunk

Firewalls

VPNs

IDS/IPS

Job description

Overview

Resource Management Concepts, Inc. (RMC) is committed to providing innovative and effective management and technology solutions that serve both government and commercial needs. Our mission centers around enhancing operational efficiency while safeguarding our nation's environment and welfare.

We are seeking a skilled Information Security Specialist to design, implement, monitor, and maintain secure network environments. The ideal candidate will have strong hands-on experience with Linux systems and Splunk for security monitoring, log analysis, and incident response. This role is critical to protecting enterprise infrastructure, ensuring compliance, and improving overall security posture.

Responsibilities

• Administer, monitor, and secure enterprise network infrastructure, including firewalls, VPNs, IDS/IPS, and network segmentation
• Manage and harden Linux-based systems (servers, appliances, and security tools)
• Implement and maintain Splunk for log aggregation, security monitoring, alerting, and dashboards
• Analyze security logs and network traffic to detect, investigate, and respond to security incidents
• Develop and maintain Splunk searches, reports, and alerts to support SOC and compliance requirements
• Perform vulnerability assessments, security audits, and remediation activities
• Apply security patches, updates, and configuration changes across network and Linux environments
• Support incident response efforts, including root cause analysis and post-incident reporting
• Collaborate with IT, SOC, and application teams to improve security architecture and processes
• Document network security configurations, procedures, and incident response actions
• Ensure compliance with internal policies and external regulatory requirements

Qualifications

• Active DoD Secret Clearance is mandatory
• Bachelor's degree in Computer Science, Information Security, or a related field (or equivalent experience)
• 3+ years of experience in network security or systems administration
• Holding a DoD IAT Level III certification (such as CISSP, CCNP, CISA, CASP+) is a must
• Strong experience administering and securing Linux environments (RHEL, CentOS, Ubuntu, etc.)
• Hands-on experience with Splunk (Enterprise and/or Splunk ES) for log analysis and security monitoring
• Solid understanding of TCP/IP, routing, switching, DNS, and network security principles
• Experience with firewalls, VPNs, IDS/IPS, and network monitoring tools
• Experience responding to security incidents and conducting forensic analysis
• Strong troubleshooting, analytical, and documentation skills

Benefits

At RMC, we are committed to your career growth. We differentiate ourselves from other firms through our investment in our employees—training, certifying, educating, and building our team. We offer opportunities for career advancement, tuition assistance, and certifications, along with a competitive paid vacation package with 11 paid federal holidays. We provide high-quality, low-deductible healthcare plans, pet insurance, and a competitive 401K package.

Salary at RMC is determined by various factors, including location, a candidate's combination of education, knowledge, skills, competencies, and experience, as well as contract-specific requirements. The current salary range for this position is $110,000 to $125,000 (annually).