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Senior Defensive Line Coach Jobs (NOW HIRING)

LIBERTY CHRISTIAN SCHOOL

Running Backs Coach

Argyle, TX · On-site

$15.75 - $20.50/hr

Position Purpose The Running Backs Coach is responsible for assisting the head coach in ... Strong knowledge of offensive and defensive line systems, run schemes, blocking techniques, and ...

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How much do senior defensive line coach jobs pay per year?

As of May 29, 2026, the average yearly pay for senior defensive line coach in the United States is $115,154.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,000.00 and $116,500.00 per year, depending on experience, location, and employer.
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Infographic showing various Senior Defensive Line Coach job openings in the United States as of May 2026, with employment types broken down into 95% Full Time, 1% Temporary, and 4% Contract. Highlights an 88% Physical, 2% Hybrid, and 10% Remote job distribution, with an average salary of $115,154 per year, or $55.4 per hour.
Senior Defensive Security Engineer - Embedded Systems

Senior Defensive Security Engineer - Embedded Systems

Silvus Technologies

Los Angeles, CA • On-site

Full-time

Posted 24 days ago

Job description

THE COMPANY
Silvus Technologies, a leading provider of advanced MANET and MIMO communications systems, is reshaping mesh network technology for mission-critical applications - on the ground, in the air and at sea. Its battle-proven StreamCaster family of MANET radios and proprietary MN-MIMO waveform provides the vital communications link for defense, law enforcement and public safety agencies around the world, and in the toughest operational environments.
With deep roots in DARPA research, Silvus Technologies develops world-class advanced communications technologies that are reshaping the tactical communications landscape. From pure line-of-sight to extreme non-line-of-sight, Silvus radios form a self-healing, self-forming mesh network, enabling secure and reliable connectivity, including video and high-bandwidth data.
Silvus Technologies is a wholly owned subsidiary of Motorola Solutions, Inc.
Would you like to join an incredibly talented group of people, doing very challenging work, with the prime directive of "Keeping Our Heroes Connected"?
THE OPPORTUNITY
Silvus is seeking a Senior Defensive Security Engineer - Embedded Systems who will report to the Director of Software Engineering on the Software Engineering team. The successful individual in this role will focus on protecting our embedded systems from potential threats by designing and implementing robust security measures, conducting security assessments, and ensuring compliance with industry standards.
This position is based at Silvus Technologies' headquarters in the heart of vibrant West Los Angeles, CA and is on a hybrid schedule; a minimum of 3 days onsite per week is expected. On-site days are Mondays, Wednesdays, and Thursdays.
The following is a list of at least some of the current essential job functions of the position. Management may assign or reassign duties and responsibilities at any time at its discretion.
ROLE AND RESPONSIBILITIES
  • Design and implement Linux-based security architectures for embedded systems, focusing on secure boot, and kernel hardening.
  • Develop and enforce Linux security features, including iptables, netfilter, and auditd for intrusion detection and prevention.
  • Conduct security assessments and audits of Linux-based embedded systems to identify and mitigate vulnerabilities.
  • Integrate Linux security best practices into the development lifecycle (DevSecOps), emphasizing secure coding and configuration management.
  • Manage vulnerabilities in Linux-based embedded systems, including timely patching and kernel updates.
  • Train teams on Linux security practices, including privilege management, file system permissions, and container security.
  • Participate in incident response planning and execution for Linux-based embedded systems.
  • Implement Linux-native encryption and authentication mechanisms (e.g., dm-crypt, OpenSSL, PAM) for secure communications.
  • Perform other related duties of which the above are representative.

REQUIRED QUALIFICATIONS
  • High School diploma or GED plus 5 years of experience in cybersecurity, with at least 2 years of experience in defensive security roles focused on Linux based systems (e.g., penetration testing, red teaming, vulnerability assessment).
  • Expertise in Linux network security, secure coding, or embedded systems security.
  • Coding/scripting in embedded C/C++ for Linux environments.
  • Familiarity with Linux security tools like auditd, Lynis, or vulnerability scanners.
  • Security Clearance: Active U.S. Government SECRET clearance or the ability to obtain one within 15 months of hire.
  • Must be a U.S. Citizen due to clients under U.S. government contracts.
  • All employment is contingent upon the successful clearance of a background check and drug test.

PREFERRED KNOWLEDGE, SKILLS AND ABILITIES
  • Bachelor or Master's degree in Cybersecurity, Computer Science, Information Technology, or related field.
  • One or more of the following certifications: CISSP, CISM, GIAC Security Expert (GSE), CompTIA Security+, or Linux-specific (e.g., LFCS, RHCE).
  • Hands-on experience implementing Linux security controls, such as SELinux, AppArmor, or iptables, and conducting security assessments.
  • Proficiency in Linux security frameworks, such as CIS Benchmarks, NIST SP 800-53, or STIGs.
  • Broad experience with Linux secure development lifecycle (SDL) practices.
  • Knowledge of Linux threat intelligence and threat modeling.
  • Familiarity with Linux container security (e.g., Docker, Podman) and cloud environments.
  • Strong communication skills to explain Linux security concepts to technical and non-technical audiences.
  • Collaborative teamwork with cross-functional groups.
  • Experience securing resource-constrained Linux-based embedded systems.
  • Understanding of real-time Linux systems and their security implications.
  • Knowledge of Linux hardware security integration, such as TPM or Secure Enclave.
  • Demonstrated experience designing secure Linux communication systems with encryption, authentication, and key management.
  • Familiarity with mobile ad-hoc networking security on Linux platforms.

WORKING CONDITIONS & PHYSICAL REQUIREMENTS
  • Office environment.
  • While performing the duties of this job, the employee is required to do the following:
    • Lift equipment up to 20 lbs. for the set-up of demonstrations or testing.
    • Perform bending and reaching movements to place items on lower and higher shelves.
    • Kneeling or squatting to access lower shelves.
    • Walking/Moving in the labs.

COMPENSATION
The pay range is NOT a guarantee. It is based on market research and peer data, and will vary depending on the candidate's experience and qualifications.
CA Pay Range
$140,000-$200,000 USD
Consistent with Motorola Solutions values and applicable law, we provide the following information to promote pay transparency and equity. Pay within this range varies and depends on job-related knowledge, skills, and experience. The actual offer will be based on the individual candidate.
NOTE - As a US Federal Contractor, Silvus Technologies requires that ALL candidates being considered for employment for any position (regardless of level) MUST be a U.S. Person (permanent resident or citizen). Stricter U.S. Citizen ONLY requirements (needed for some Engineering or R&D roles) will be included in the Required Qualifications section of the posted position. This does NOT apply to international positions; only job postings for positions located in the US.
Motorola Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion or belief, sex, sexual orientation, gender identity, national origin, disability, veteran status or any other legally-protected characteristic.
We are proud of our people-first and community-focused culture, empowering every Motorolan to be their most authentic self and to do their best work to deliver on the promise of a safer world. If you'd like to join our team but feel that you don't quite meet all of the preferred skills, we'd still love to hear why you think you'd be a great addition to our team.
We're committed to providing an inclusive and accessible recruiting experience for candidates with disabilities, or other physical or mental health conditions. To request an accommodation, please complete this Reasonable Accommodations Form so we can assist you.

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