Cyber Security Engineer - NSS Tools

Posted 13 Days Ago
Be an Early Applicant
St. Louis, MO, USA
In-Office
75K-158K Annually
Senior level
Information Technology • Consulting • Defense
The Role
Maintain and secure Linux-based systems for network defense: automate tasks with shell scripts, configure logging and remote log collection, manage networking services (firewalls, SELinux), configure storage (partitions, LVM), deploy and update systems, and diagnose network issues using protocol knowledge and troubleshooting tools.
Summary Generated by Built In
Job Title: Cyber Security Engineer - NSS Tools

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

* * *

The Opportunity
Network Defense is at the forefront of integrating advanced Linux systems into our cybersecurity framework. We are seeking a Linux Systems Engineer who is deeply passionate about leveraging their technical expertise to enhance our cybersecurity capabilities. This role is ideal for someone who thrives in a collaborative environment where their skills directly contribute to strengthening our digital defenses.

As a Network Defense Linux Systems Engineer, you will play a crucial role in maintaining and enhancing the security and efficiency of our Linux-based systems. Your expertise in Linux, combined with a keen interest in cybersecurity, will be instrumental in supporting our mission to safeguard our digital assets.

Responsibilities
•    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, Traceroute, Ping, Netstat, nslookup) to diagnose and resolve issues.

Qualifications

Required:  
•    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, CloudFormation, and Terraform is advantageous.
•    Experience with automation tools like Ansible and version control systems such as GitHub/GitLab 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.
•    Active Top Secret/SCI Clearance with experience working on US Government contracts. 
•    DOD 8570 IAT II and CSSP Infrastructure Support certifications.
•    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.


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What You Can Expect:

 A culture of integrity.

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.

Pay Range:

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.

The proposed salary range for this position is:

$75,200-$158,100

CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

Skills Required

  • Proven experience in Linux system administration with strong shell scripting and system automation
  • Expertise configuring system logging, analyzing logs for troubleshooting, and implementing secure networking services (firewalls, SELinux)
  • Familiarity with AWS services such as EC2, S3, CloudFormation, and Terraform
  • Experience with automation tools like Ansible and version control systems such as GitHub/GitLab
  • Experience with network troubleshooting tools (tcpdump, Traceroute, Ping, Netstat, nslookup) and networking protocols (DNS, SMTP, DHCP)
  • Active Top Secret/SCI clearance with experience working on US Government contracts
  • DOD 8570 IAT II and CSSP Infrastructure Support certifications
  • Bachelor's degree in Computer Science, Information Technology, Computer Engineering, or Electrical Engineering
  • 7+ years of related experience in SEIM, network operations, network engineering, or leading cybersecurity/technology teams
  • Proactive approach to system optimization, continuous learning, and strong collaboration skills

CACI International Inc Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about CACI International Inc and has not been reviewed or approved by CACI International Inc.

  • Healthcare Strength Pay is supported by a broad set of health-plan options across multiple national carriers, with telemedicine and tax-advantaged accounts included. Dental and vision choices are also described as multi-option, which strengthens overall coverage breadth.
  • Leave & Time Off Breadth Flexible Time Off is available for many salaried-exempt roles, while hourly roles accrue PTO, creating multiple time-off pathways by employment class. Paid disability coverage, fixed holidays, and paid leave programs (including parental leave and other leave types) further round out time-off and leave coverage.
  • Retirement Support Retirement support includes a 401(k) match structure described as 50% up to 8% of pay (effective 4%) and an Employee Stock Purchase Plan with a discount. Tuition reimbursement and certification support also add to the overall rewards package that complements core retirement benefits.

CACI International Inc Insights

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The Company
HQ: Reston, VA
17,673 Employees
Year Founded: 1962

What We Do

CACI’s approximately 23,000 talented employees are vigilant in providing the unique expertise and distinctive technology that address our customers’ greatest enterprise and mission challenges. Our culture of good character, innovation, and excellence drives our success and earns us recognition as a Fortune World's Most Admired Company. As a member of the Fortune 1000 Largest Companies, the Russell 1000 Index, and the S&P MidCap 400 Index, we consistently deliver strong shareholder value. Visit us at www.caci.com.

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