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Open nowPosted 38 days ago

NetOps/Linux Administrator

sentar101 open roles

Where
Pearl City, HI, US
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Your applicationOpen nowNetOps/Linux Administratorsentar · Pearl City, HI, US

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Share of postings closed within
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  2. 4.3%3 days
  3. 11.5%7 days
  4. 18.1%14 days
  5. 35.6%30 days
  6. 44.6%60 days
This job: posted 38 days ago

The posting

Sentar is seeking a NetOps/Linux Administrator in Pearl City, Hawaii!

Role Description:

The Network Operations/Linux Administrator is responsible for managing and maintaining both cloud and on-premises networking environments. This includes overseeing virtual private networks (VPNs), cloud-based networks and virtual network appliances, as well as on-premises network infrastructure and hardware. The role ensures the performance, availability, and security of network infrastructure and subscriber connections. The administrator applies strong communication, analytical, and problem-solving skills to identify, communicate, and resolve network issues, maximizing the benefit of IT systems investments.

Key Responsibilities:

• Install, configure, and maintain Linux servers and their components to ensure optimal performance, security, and availability.

• Conduct regular system monitoring to verify the integrity and availability of all hardware, server resources, systems, and key processes.

• Administer Linux-based services, including Apache, NGINX, MySQL, and PostgreSQL. Implement and oversee backup and recovery solutions.

• Regularly apply OS patches/upgrades and update administrative tools and utilities.

• Manage accounts and network rights.

• Manage and monitor cloud networking solutions such as AWS VPC and Azure VNet.

• Configure, sustain, and troubleshoot on-premises networking hardware, including routers, switches, firewalls, and load balancers.

• Set up, oversee, and maintain VPNs for secure remote access.

• Monitor network performance and optimize for high availability and reliability.

• Implement and oversee network security measures, including firewalls, IDS/IPS, and network access controls.

• Perform network performance tuning, capacity planning, and scalability assessments.

• Execute network hardware and software upgrades and patches.

• Maintain up-to-date network documentation, including diagrams, configuration guides, and troubleshooting procedures.

• Collaborate with IT teams to integrate and enhance network resources for applications and services.

• Oversee network-related projects from planning through implementation and documentation.

• Research emerging network technologies, trends, and best practices.

• Work independently and collaboratively in a team-oriented environment.

• Be available for on-call after-hours rotational support as necessary.

Qualifications:

Clearance Level: Secret with eligibility for upgrade to Top Secret (TS)

Education: Hold a Bachelor’s degree in Computer Science, Information Technology, or a related field, or possess equivalent work experience.

Certifications: Candidate must meet DoD 8140 (Formerly 8570) baseline certification at the time of hire. The following are commonly accepted: Security+, CISM, or CISSP. Certifications such as Red Hat Certified System Administrator (RHCSA), Red Hat Certified Engineer (RHCE), or CompTIA Linux+

Experience:

• Maintain a minimum of 3-5 years of experience in network engineering.

• Proficiency in Linux operating systems specifically with Red Hat

• Experience with Linux server administration, 1-2 years’ experience.

• Proficiency in cloud networking solutions (e.g., AWS VPC, Azure VNet)

• Experience with on-premises networking hardware (e.g., Cisco, Palo Alto)

• Knowledge of networking protocols and services (TCP/IP, DNS, DHCP, VPN)

• Experience with network monitoring tools (e.g., SolarWinds, Nagios)

• Strong understanding of network security principles and practices

• Experience with Elasticsearch Enterprise and Kibana dashboards

• Excellent troubleshooting, problem-solving, and documentation skills

• Strong verbal and written communication skills

Benefits at Sentar:

Our unique ownership model attracts top talent, giving employees the freedom to take initiative and drive meaningful improvements. In addition to cultivating a thriving and inclusive work environment, Sentar offers an extensive benefits package designed to support the well-being of employees and their families. Employee ownership is the foundation of our culture, promoting participation, teamwork, and accountability while ensuring long-term financial security and a commitment to excellence.

  • Voluntary Medical, Dental, Vision, with Health Savings or Flexible Spending Plan options
  • Voluntary Life, Critical Illness, Accident, and Long Term Care insurance options
  • Group Term Life, Short-Term and Long-Term Disability is provided by Sentar to all qualifying employees
  • Generous 401(k) match
  • Competitive PTO plan that graduates quickly with years of service
  • Other leave programs; holiday schedule along with bereavement, maternity, jury and military duty
  • Mental health awareness programs
  • Tuition reimbursement
  • Professional development reimbursement
  • Recognition and Awards programs

If you are not ready to apply for this position, submit your resume here to join our talent community. We'll keep you updated occasionally on new job opportunities.

Sentar is an Affirmative Action and Equal Opportunity Employer M/F/Vets/Persons with Disabilities

Our culture is one of inclusivity and support. Sentar is proudly an Equal Opportunity and VEVRAA Federal Contractor Employer M/F/Vets/Persons with Disabilities. Follow these links to learn more about your rights: EEO Is the Law Poster; EEO Is Law Supplement; and Pay Transparency.

We want you to build your career at Sentar, so if you are an individual with a disability and require a reasonable workplace accommodation applying for a job or at any point in the employment process, contact the Recruiting Manager at [email protected]. Please indicate the specifics of the assistance needed. Thank you for considering Sentar in your employment search.

Build, Innovate, Secure Your Career at Sentar.

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