Senior Linux Systems Administrator with Security Clearance

3 weeks ago


Merrifield VA United States GCI, Inc Full time
GCI, embodies excellence, integrity and professionalism
The employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations
We maximize opportunities for success by building and maintaining trusted and reliable partnerships with our customers and industry
At GCI, we solve the hard problems
As a Senior Linux Systems Administrator, a typical day will include the following duties: JOB DESCRIPTION The Systems Administrator position will apply expertise in the installation, configuration, operations, and maintenance of both Windows- and Linux-based architectures
The systems administrator will focus on improving the stability and performance of the platform, maintaining and improving the security posture of the domain, continuous monitoring of system health, and troubleshooting issues that arise
This individual is accountable for Windows, Linux, and application systems that support the infrastructure
Responsibilities on these systems include SA engineering, operations and maintenance, and research and development to ensure continual operation
The position requires deep technical knowledge of systems, networks, and application security as well as a solid understanding of enterprise-level security frameworks, policies, processes, and standards
The candidate must have strong analytical skills for troubleshooting complex issues, attention to detail, and the ability to multitask in a fast-paced environment
Key duties include maintaining operating systems, application support, integration, design, and assistance with additional duties as needed to support the team
KEY RESPONSIBILITIES *Provide daily operational support for Linux and Microsoft Windows operating systems and applications *Maintain the current virtual machine infrastructure, provide support to the remote users, and complete tasking to create new VM's
*Maintain the integrity and security of systems by monitoring security feeds and building, configuring SPLUNK dashboards in support of Continuous Monitoring activities *Develop and maintain standards and procedures for applications across a complex computing infrastructure *Develop and maintain comprehensive documentation *Monitor application and operating system performance and analyze and document problems *Develop and oversee implementation of testing strategies and document the results *Leverage scripting and system automation tools *Maintain current knowledge of relevant technologies *Research and recommend hardware and software, coordinate installation, and provide backup recovery *Interact with users and evaluate vendor products *Review problems to understand the root causes of issues and ensure implementation of proper fixes *Collaborate with system administrators, engineers, and the client to ensure proper integration of applications EDUCATION AND EXPERIENCE Bachelor's Degree in Computer Science, Information Technology, or other related technical discipline, or the equivalent combination of education, technical certifications, training, and work experience
REQUIRED QUALIFICATIONS *Certified Linux System Administrator *Extensive experience with Redhat and/or Centos *Demonstrated experience with VMWare ESXi infrastructure 6.x + vCenter server, host clustering with HA, DRS, replication *Upgrading VMWare infrastructure *Demonstrated experience in server builds using automated mechanism *Demonstrated experience with Ansible playbooks for virtual and physical instance provisioning, configuration management and patching and software development *Demonstrated experience with Atlassian Jira and SolarWinds *Demonstrated experience collaborating with other systems administrators, storage administrators, application developers, and network engineers to solve complex problems DESIRED SKILLS *Demonstrated experience with Rapid7 Scanning or other scanning tools *Demonstrated experience with Microsoft Window Server versions 2008, 2012, 2016, and 2019 *Demonstrated experience with SCCM, WDS, MS SQL server, Exchange, Powershell, batch scripting *Demonstrated experience with SCOM and MIM *Demonstrated experience working with syslog applications such as Splunk *ITIL Foundations Certification a plus *Certifications relating to IT Security (CISSP, GIAC, Security+) a plus

  • Merrifield, United States MBA CSi Full time

    This position may, over time, accommodate a hybrid work schedule based on the following: First 3 months – 5 days on-siteOnce 3 months is complete – 1 day Work From Home (WFH)Once 6 months is complete – 2 days WFHOnce 9 months is complete – 3 days WFHWe are seeking a Senior Network Engineer to perform the the implementation, maintenance, and...


  • Merrifield, United States ALTA IT Services Full time

    Senior Network EngineerMerrifield, VA - onsiteMust be able to obtain Public Trust clearanceship is required per government contract All work for 6 months will be performed on-site. Once 6 months has elapsed, the Engineer may work remotely one day per week. No other WFH days will be awarded. Duties and Responsibilities: Provide design and ongoing support of...


  • Merrifield, United States ALTA IT Services Full time

    Senior Network Engineer Merrifield, VA - onsite Must be able to obtain Public Trust clearance US Citizenship is required per government contract All work for 6 months will be performed on-site. Once 6 months has elapsed, the Engineer may work remotely one day per week. No other WFH days will be awarded. Duties and Responsibilities: • Provide...


  • ASHBURN, VA, United States Leidos Full time

    The National Security Sector within Leidos is seeking a Linux and UNIX System Administrator with strong systems, software, and Agile experience to support a complex program to provide Agile development and operations and maintenance for critical systems on a mission-critical program supporting the Passenger Systems Program Directorate (PSPD) within Customs...


  • Merrifield, United States ALTA IT Services Full time

    Job DescriptionJob Description Senior Network EngineerMerrifield, VA-Onsite first 90 days then hybridMust be able to obtain government clearanceMust be US Citizen per clientDuties and Responsibilities:Provide design and ongoing support of local area networks and wide area networks used in mail processing applications.Plan, design, build, configure, test,...


  • Merrifield, United States ALTA IT Services Full time

    Job DescriptionJob Description Senior Network EngineerMerrifield, VA-Onsite first 90 days then hybridMust be able to obtain government clearanceMust be US Citizen per clientDuties and Responsibilities:Provide design and ongoing support of local area networks and wide area networks used in mail processing applications.Plan, design, build, configure, test,...


  • united states Spectrum Full time

    TITLE:Sr.System Administrator LOCATION:St.Louis, MO and Maryland Heights, MO JOB SUMMARY: Responsible for maintenance and enhancement of hardware and software systems that support field business applications.Perform server administration tasks including user/group administration, security permissions, group policies, research event log warnings and errors,...


  • Merrifield, United States MBA Consulting Services, Inc. (MBA CSi) Full time

    MBA CSi, in support of our client's Engineering organization, is seeking a Sr. System Engineer / Analyst with 6+ years of experience to join our client's Sortation Systems Technology (SST) Team. The SST team has different programs with a variety of equipment and operating systems. The primary role of this position will be to engage with an experienced,...


  • Merrifield, United States MBA Consulting Services, Inc. (MBA CSi) Full time

    MBA CSi, in support of our client's Engineering organization, is seeking a Sr. System Engineer / Analyst with 6+ years of experience to join our client's Sortation Systems Technology (SST) Team. The SST team has different programs with a variety of equipment and operating systems. The primary role of this position will be to engage with an experienced,...


  • Melbourne, FL, United States L3Harris Technologies Full time

    Job Title: Senior Specialist, Info Sec Sys Engineer Job Code: 10750 Job Location: Melbourne, FL Job Description: Strong familiarity with Linux and Security Hardening of Linux. Experience with securing Linux systems. Experience with Splunk administration. Experience with application of STIGs. Knowledgeable with malware detection systems for Windows and Linux....


  • Arlington, VA, United States Leidos Full time

    Leidos has an immediate need for a Senior Security Engineer for a new customer on a highly-visible and strategic Cybersecurity Task Order. The Senior Security Engineer will need to be a self-starter with excellent analytical and problem-solving skills, flexibility, good judgment and the ability to coordinate multiple, concurrent tasks in an effective...

  • Linux Administrator

    2 weeks ago


    Chicago, IL, United States Selby Jennings Full time

    Key Responsibilities: Deploying new systems as well as maintaining existing ones Managing user accounts and permissions on various platforms Troubleshooting system issues Collaborating with other teams within IT department Skills: Minimum of 3 years of experience in designing, deploying, and maintaining large-scale Linux/Unix server environments....


  • Chantilly, VA, United States Parsons Full time

    In a world of possibilities, pursue one with endless opportunities. Imagine Next!When it comes to what you want in your career, if you can imagine it, you can do it at Parsons.  Imagine a career working with intelligent, diverse people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next,...


  • United States, CA, Oakland Blue Shield of California Full time

    Your Role The Third Party Application Solutions personnel within the Software Development Centers Of Excellence team perform hardware and software system administration as well as set quality expectations. The Senior Application Developer & System Administrator will report to the Centers Of Excellence Senior Manager. In this role you will execute hands-on...


  • Dallas, TX, United States G-Research Full time

    Do you want to tackle the biggest questions in finance with near infinite compute power at your fingertips?G-Research is a leading quantitative research and technology firm, with offices in London and Dallas.We are proud to employ some of the best people in their field and to nurture their talent in a dynamic, flexible and highly stimulating culture where...

  • Value Engineer

    2 weeks ago


    Alexandria, VA, United States AMERICAN SYSTEMS Full time

    Job Title / LevelValue Engineer - Secret Clearance!Clearance Required?SecretLocation:Alexandria, VA 22311 US (Primary)% Travel0 - 10%Job DescriptionAre you an experienced Value Engineer with demonstrated experience in Value Engineering, Quality Engineering, Lean Six Sigma? Then we have a great opportunity for you to support the OUSD Research, Development,...


  • Arlington, VA, United States AMERICAN SYSTEMS Full time

    Job Title / LevelSenior Lead Acquisition Support Specialist - Secret ClearanceClearance Required?SecretLocation:Arlington, VA 22202 US (Primary)% Travel10 - 20%Job DescriptionWANTED:A mission-driven professional with Future Navy Capabilities experience and Active Secret clearance to become our next Senior Lead Acquisition Support Specialist in Arlington,...


  • Palm Bay, FL, United States L3Harris Technologies Full time

    Job Title: Senior Specialist, Software Configuration Engineering Job Code: 10827 Job Location: Palm Bay, FL Job Description: L3Harris has an immediate opening for Sr. Specialist, Software Configuration Engineer (SWCE). This is a critical specialty engineering support role that performs technical software configuration engineering functions to establish new...


  • Fort Wayne, IN, United States L3Harris Technologies Full time

    Job Title: Lead, Info Security Systems Engineering Job Code: 8299 Job Location: Ft Wayne, IN Job Description: Essential Functions: Communicator, at the mastery level, responsible for technical briefs to Program Managers, Systems Engineering and other engineering disciplines as well as senior management on all aspects of Security Engineering Space vehicle...


  • United, United States Diverse Lynx Full time

    Managing & maintaining SUSE Servers Managing IBM, DELL, Lenovo Fujitsu and Client HANA appliance servers. Building/reimages SUSE Linux servers in both physical and virtual environment. Managing Linux virtual machines that are configured in ESX environments. Providing Level 3 supports to the customers. Managing the Antivirus environment. Patching and OS...