Linux System Administrator

Description

Job Description:

This position provides 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 project execution for the evaluation of new technologies for life cycle replacement and potential future use. The position also requires the candidate to resolve issues within the SBNAB infrastructure as well as provide guidance on day to day monitoring and maintenance of the SBNAB infrastructure.

The candidate will establish and implement standards for computer operations for compatibility between hardware and software. The candidate will schedule, plan and perform system upgrades. The candidate will collaborate, support, and offer advice to the customer in technical matters related to the organization's overall mission.

Primary Responsibilities

• Coordinate with local change and control boards and provide installation, configuration, engineering, administration, and accreditation documents/diagrams 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 (POA&M)

• 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

• Promote and drive research and implementation of automation and process efficiencies

• Assigns configuration and authorization of directory services.

• Develops and implements network system backups.

• Maintains security and patch updates.

• Build, configure and maintain a wide variety of Red Hat based operating systems within a very diverse environment. Support clustered computing, web servers, intrusion detection, databases and more.

Basic Qualifications

• Bachelor's degree and 4+ years of prior relevant experience (4 years of relevant work experience may be considered in lieu of degree). 

• An understanding of current threats and trends present in the Information Security and Technology field.

• Advanced knowledge of network/systems technologies and protocols

• Candidate must possess an active TS/SCI, or a Top Secret clearance with a current SSBI, and be eligible to obtain a TS/SCI clearance.

• DoD 8570 IAT level I or higher certification prior to starting

• Working 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 Server/OS administration certification

• Must be available for on-call support, as required

• Demonstrated knowledge of security policies and general vulnerabilities management

• Ability to both create and understand network topology and rack elevation diagrams

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, and/or MITRE ATT&CK framework.

• Deep technical understanding of core current cybersecurity technologies as well as emerging capabilities.

External Referral Bonus:

Potential for Telework:

Clearance Level Required:

Travel:

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About Leidos

Leidos is a Fortune 500^® 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 38,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. For more information, visit www.Leidos.com.

Pay and Benefits

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.

Securing Your Data

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 Leidos.com 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 [email protected].

Commitment to Diversity

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.