Senior System Administrator (Linux)

  • Adelphi, MD
  • Permanent
  • Full-time
  • 1 month ago
Description Job Description This position provides Senior level Linux Systems administration support for all equipment, servers, and appliances for C5ISR Center Sustaining Base Network Assurance Branch (SBNAB) Defensive Cyber Operations (DCO) Security Operations Center (SOC). Beyond advising and guiding technical matters, this position is tasked with managing the project execution for the evaluation of new technologies for life cycle replacement and potential future use. Primary Responsibilities Coordinate with local change and control boards and provide installation, configuration, engineering, administration, and accreditation documentsdiagrams for the infrastructure life cycle replacements upgrades, enhancements, and new technology deployments Coordinate with Operations and Engineering and provide technical support for all in-line devices to include Taps, Intrusion Prevention System (IPS), Wireless Intrusion Detection System (WIDS), Wireless Intrusion Prevention System (WIPS), and other in-line devices impacting the security monitoring of networks Create and update infrastructure and rack elevation diagrams Maintain Information Assurance Vulnerability Management (IAVM) compliance on all security devices Develop Plan of Action and Milestones (POAM) Monitor, organize and work collaboratively in a technological environment to support an established collaborative work environment Lead systems engineering efforts for new system development efforts or critical system enhancements and patches engineering and configuration management processes Actively mentor junior system administrator personnel and reinforce adoption of best practices Develops functional requirements through interaction with end-users and coordinates with support teams on systematic enhancements or changes Identify and offer solutions to gaps in capabilities and visibility Promote and drive research and implementation of automation and process efficiencies Basic Qualifications Bachelor's degree and 12+ years of prior relevant experience or Masters with 10+ years of prior relevant experience (4 years of relevant work experience may be considered in lieu of degree). DoD 8570 IAT level II or higher certification prior to starting Significant knowledge of computer security principles and DoD security protocols Comfortable scripting or writing code in Python, bash, PowerShell, or other popular and common language to perform daily tasks or configuration management Proficient in using Linux command line interfaces SIEM or ServerOS administration certification Deep understanding of network topologies, both transport and IP Must be available for on-call support, as required Demonstrated knowledge of security policies and general vulnerabilities management Experience and familiarity with change control processes Ability to both create and understand network topology and rack elevation diagrams Candidate must possess an active TSSCI, or a Top Secret clearance with a current SSBI, and be eligible to obtain a TSSCI clearance. Preferred Qualifications Excellent project, technical, interpersonal, presentation and problem management skills Ability to communicate orally, and in writing, detailed technical information on troubleshooting and implementation efforts Motivated self-starter with strong written and verbal communication skills, and the ability to create complex technical reports on analytic findings. Familiarity or experience in Intelligence Driven Defense, Cyber Kill Chain methodology, andor MITRE ATTCK framework. Deep technical understanding of core current cybersecurity technologies as well as emerging capabilities. External Referral Bonus Ineligible Potential for Telework No Clearance Level Required Top Secret Travel Yes, 10 of the time Scheduled Weekly Hours 40 Shift Day Requisition Category Professional Job Family Systems Administration Leidos is a Fortune 500Registered information technology, engineering, and science solutions and services leader working to solve the world's toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company's 33,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately 10.19 billion for the fiscal year ended December 28, 2018. For more information, visit . Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here httpswww.leidos.comcareerspay-benefits . Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to . All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.