Linux Sys Admin-Senior II-ESA04

1 week ago


Arlington, Virginia, United States Kaygen Full time

KAYGEN is an emerging leader in providing top talent for technology based staffing services. We specialize in providing high-volume contingent staffing, direct hire staffing and project based solutions to companies worldwide ranging from startups to Fortune 500 and Managed Service Providers (MSP) across a wide variety of industries.

Linux Sys Admin-Senior (Public Trust): Onsite Role
Client is supporting a U.S. Government customer to obtain development, operations and maintenance (O&M), logistics, security and deployment support services necessary to operate and sustain the customer's Lab environments. Activities must be carried out at the highest levels of service and availability. Client is seeking a Linux administrator with some cloud experience to support this effort.

Responsibilities Include:

• System Administration: Oversee the day-to-day operations of the customer's lab environments including installation, configuration, and maintenance of Linux operating systems (e.g., CentOS, Ubuntu, Red Hat).

• Performance Monitoring and Optimization: Monitor system performance, troubleshoot issues, and optimize system resources to ensure maximum uptime and efficiency. Implement proactive measures to identify and address potential bottlenecks or performance degradation.

• Security Management: Implement and maintain security measures to protect systems from vulnerabilities, unauthorized access, and malware threats.

• Backup and Disaster Recovery: Develop and maintain backup and disaster recovery plans for Linux systems.

• Patch Management: Manage the patching process for Linux servers, including scheduling, testing, and deploying software updates and security patches in a timely manner. Ensure compliance with patch management policies and procedures.

• utomation and Scripting: Develop automation scripts and tools using shell scripting (e.g., Bash), Python, or other scripting languages to streamline system administration tasks, automate repetitive processes, and improve operational efficiency.

• Collaboration: Collaborate with cross-functional teams including key stakeholders to support project initiatives and resolve technical issues.

• Documentation: Document system configurations, procedures, and troubleshooting steps for knowledge sharing and training purposes.

• Technical Support: Provide technical support and troubleshooting assistance to internal users and teams regarding Linux-related issues. Diagnose problems and implement solutions in a timely manner to minimize downtime and disruptions.

Required Skills:

• U.S. Citizenship

• Must be able to obtain Client Suitability and obtain a TS/SCI clearance

• 6+ years of directly relevant experience in Linux System Administrator.

• Proficiency in managing and maintaining Linux servers (e.g., Red Hat, CentOS, Ubuntu).

• Strong understanding of Linux file systems, permissions, and security.

• Hands-on experience with AWS services such as EC2, S3, RDS, VPC, IAM, CloudFormation, and Lambda.

• Knowledge of networking concepts and protocols (TCP/IP, DNS, VPN, etc.).

• Experience with network troubleshooting and security (firewalls, security groups, NACLs).

Desired Skills:

• Experience with Terraform

• Experience with shell scripting (Bash, Python, etc.) for automation and task management.

• Excellent problem-solving and analytical skills.

• Strong communication and interpersonal skills.

• Knowledge of U.S. Government IA policies, procedures, standards, guidelines, and objectives.

Required Education

• Bachelor's degree in Information Security, Cyber Engineering or a related discipline is required.

Desired Certifications:

• Information Security and IT certifications: Splunk, AWS, Cisco, Red Hat, etc.

At KAYGEN, we are always looking for dynamic, talented and experienced individuals. We invite you to join our team of talented IT professionals, consulting at client locations across the globe. Our culture is team-orientated; we strive to stand by our core values of respect, honesty and integrity. Our team of experienced staffing experts will work with you to find you the best opportunity. For more information please visit us at

Benefits:

  • Free Healthcare Insurance
  • Vision and Dental Insurance
  • 401(k) Retirement Plan
  • Free Life Insurance
  • Sick Time Off
chieve your Kaizen by clicking here. A unique and exclusive talent community supported by Kaygen, that includes programs like: Certifications
  • Mentorship Program
  • Referrals
  • Family and Wellness benefits
  • Continuous Growth and Career Development


  • Arlington, Virginia, United States GCyber Full time

    GCyber is hiring a Senior Linux Engineer – RHEL to support the DISA Compartmented Enterprises Services Office in their efforts to transform the existing Secure Web Services environment, which provides secure information sharing to the community, into a more mature service offering to meet the DoD and intelligence community's needs. The ideal candidate...


  • Arlington, Virginia, United States Motion Recruitment Full time

    Senior Linux AdministratorAs a Senior Linux SME, you will be supporting multiple build and operations managed service provider teams hosting Cloud based ERP services.The company is a wholly owned subsidiary of SAP focused on security issues for the U.S. government so that SAP can bring technology and innovation to customers across government regulated...


  • Arlington, Virginia, United States Motion Recruitment Full time

    Senior Linux AdministratorAs a Senior Linux SME, you will be supporting multiple build and operations managed service provider teams hosting Cloud based ERP services.The company is a wholly owned subsidiary of SAP focused on security issues for the U.S. government so that SAP can bring technology and innovation to customers across government regulated...


  • Arlington, Virginia, United States Anonymous Employer Full time

    Our Arlington VA based client is looking for Lab Managers/Systems admin.If you are qualified for this position, please email your updated resume in word format to Work location:Arlington VA Responsibilities: Employing security concepts, theories, insights, tools and methodologies to mitigate system weaknesses and vulnerabilities Appling advanced analytical...


  • Arlington, Virginia, United States Base One Technologies Full time

    Required Education/ExperienceBachelor's degree in Computer Science, Engineering, or a related field and a minimum of twelve (12) years of experience in system administration, database administration, network engineering, software engineering, or software development, Cybersecurity Primary ResponsibilitiesOur Govt client has an immediate need for a Senior...


  • Arlington, Virginia, United States VHC Health Full time

    Donor Relations Officer IIJob DescriptionPurpose & Scope:The Donor Relations Officer II will play a leading role in establishing and strengthening VHC Health's relationships with both new and existing donors. The position will work directly with donors, advancing VHC's mission, through strategic communication, donor engagement, cultivation, solicitation,...


  • Arlington, Virginia, United States Motion Recruitment Full time

    Senior Infrastructure EngineerThis company is in search of a skilled and motivated infrastructure engineer to oversee their hybrid cloud infrastructure and ensure consistent delivery of high-quality service to both software engineering and operations teams. The infrastructure team plays a crucial role in supporting, delivering, and maintaining bare metal,...


  • Arlington, Virginia, United States Motion Recruitment Full time

    Senior Infrastructure EngineerThis company is in search of a skilled and motivated infrastructure engineer to oversee their hybrid cloud infrastructure and ensure consistent delivery of high-quality service to both software engineering and operations teams. The infrastructure team plays a crucial role in supporting, delivering, and maintaining bare metal,...

  • Consultant II

    1 week ago


    Arlington, Virginia, United States Guidehouse Full time

    Job Family Sustainability Consulting Travel Required Up to 25% Clearance Required None What You Will Do The Technology Innovation & Management (TIM) group within Guidehouse's Energy, Sustainability, and Infrastructure (ES&I ) practice, provides technical and market analysis, research, and strategic planning and analysis support related to emerging energy...


  • Arlington, Virginia, United States InterImage Full time

    Join Our Mission-Critical TeamPosition: Senior DevOps EngineerCompany: InterImageInterImage is actively seeking a highly skilled Senior DevOps Engineer to join our dynamic team. This is a remarkable opportunity for a qualified candidate to contribute to the development of applications that serve as certified, trusted sources of critical mission data. If you...


  • Arlington, Virginia, United States InterImage Full time

    Join Our Mission-Critical TeamPosition: Senior DevOps EngineerCompany: InterImageInterImage is actively seeking a highly skilled Senior DevOps Engineer to join our dynamic team. This is a remarkable opportunity for a qualified candidate to contribute to the development of applications that serve as certified, trusted sources of critical mission data. If you...


  • Arlington, Virginia, United States Nightwing Full time

    Date Posted: Country: United States of America Location: VA149: 1110 N Glebe Road Arlington 1110 North Glebe Road Suite 630, Arlington, VA, 22201 USA Position Role Type: Hybrid You have been redirected to RTXs career page as we have recently transitioned from RTX to become a standalone company, which provides us with greater autonomy and opportunities for...


  • Arlington, Virginia, United States Expression Full time

    Join our dynamic team as a Senior Cloud System Administrator and play a pivotal role in managing and optimizing our cloud infrastructure. As a Senior Cloud System Administrator, you'll lead the charge in designing, implementing, and maintaining our cloud-based systems to ensure seamless operations and scalability. If you're passionate about cutting-edge...


  • Arlington, Virginia, United States Nationwide IT Services, Inc. Full time

    Senior System Engineer Hybrid at Pentagon 25% travel locally (only around Northern VA area) Secret Clearance is required. CISSP (preferred) OR CISM OR CASP+ Position Overview: Nationwide IT Services is seeking an experienced Senior System Engineer supporting our government customer at the Pentagon. The successful candidate must have...


  • Arlington, Virginia, United States Two Six Technologies Full time

    At Two Six Technologies, we build, deploy, and implement innovative products that solve the world's most complex challenges today. Through unrivaled collaboration and unwavering trust, we push the boundaries of what's possible to empower our team and support our customers in building a safer global future. Two Six Technologies is looking to add a Senior CNO...


  • Arlington, Virginia, United States GCyber Full time

    GCyber is hiring a Senior Network Engineer to provide technical leadership, oversight, and direction to the Network Engineering team and mentor and instruct network engineers on best practices and the execution of network enhancements and upgrades and troubleshooting efforts in a large and complex network environment. You will be responsible for the health...


  • Arlington, Virginia, United States Two Six Technologies Full time

    Two Six Technologies is seeking a Senior Vulnerability Researcher with active Top Secret Clearance to join our team in Arlington, Virginia. The team is composed of intellectual individuals, passionate about cybersecurity research. The team is growing and looking for someone with a reverse engineering and vulnerability research background who understands how...


  • Arlington, Virginia, United States Pioneering Evolution Full time

    Job Description:Pioneering Evolution is seeking a Senior Acquisition Analyst who has experience supporting a DoD ACAT 1 Program. This position is supporting a major US Navy program of record and will require the selected candidate to work closely with the Program Manager, Deputy Program Manager, and other senior Program Leadership. The ideal candidate will...


  • Arlington, Virginia, United States Motion Recruitment Full time

    Senior Business Applications EngineerThe Senior Business Applications Engineer is responsible for delivering IT business applications and solutions to enhance critical business operations, provide the Firm with differentiating capabilities, and enable lawyer and staff effectiveness.This position takes a lead role in the full system lifecycle of business...


  • Arlington, Virginia, United States Motion Recruitment Full time

    Senior Business Applications EngineerThe Senior Business Applications Engineer is responsible for delivering IT business applications and solutions to enhance critical business operations, provide the Firm with differentiating capabilities, and enable lawyer and staff effectiveness.This position takes a lead role in the full system lifecycle of business...