Cybersecurity Network Engineer

at Leidos
Location Bethesda, MD
Date Posted October 8, 2020
Category Default
Job Type Full-time



Job Description:

Leidos currently has an immediate opening for a Cybersecurity Engineer with a networking background, supporting multiple US Navy programs located Bethesda, MD.  Leidos’ High Fidelity Simulation Business Area is responsible for architecting and implementing large-scale System of Systems solutions in support of world class simulation, training, and analysis products for the US Navy.  We are looking for an energetic, motivated, independent, self-starter for a challenging position supporting a dynamic organiuzation that develops and produces state of the art training and tactical decision aids systems.  This position requires US citizenship and a DoD Secret security clearance.

This position is part of the HFS cyber security team, and is responsible for maintaining and improving the security posture for the information systems that support the development and fielding of a variety of US Naval training systems.  Candidate will perform at least the following tasks:
• Develop, manage, administer, and troubleshoot unclassified and classified networks.
• Develop, manage, and administer information assurance policies and procedures associated with networking.  
• Be responsible for developing and maintaining all necessary documentation, policies, and procedures, providing direct end-user support as needed, and providing subject-matter expert assistance to other related projects as needed.
• Maintain up-to-date awareness of current and future trends, threats and vulnerabilities to existing and new technologies. Candidate should be current on all areas of Cybersecurity.
• Be thoroughly familiar with a variety of concepts, practices, and procedures associated with networking both Linux and Microsoft based servers.
• Have solid LAN/WAN knowledge and knowledge of DoD IT security requirements, including: DSS/NISPOM Compliance, DoD/Navy Policy Compliance, system auditing and log reviews, defense-in-depth strategies, system patching and remediation, and network-based/host-based vulnerability assessment.
• Perform regular audits of network devices, including review of system audit logs, verification and maintenance of regular backups of the network configuration, and inventorying of network components.  Ensure that system recovery processes are monitored and tested to ensure that all network components are able to be restored.  Perform patch management of all networks within the facility.  Ensure that each IS’s Configuration Management Plan is maintained, audited, and updated regularly in regards to networking.
• Maintain Network Access Control Management, audit network logs, and ensure that unauthorized personnel are not granted use of, or access to, any network within the facility.
• Assist the Information System Security Manager (ISSM) in the management of networks, and maintain security posture through entire lifecycle and adherence to the Risk Management Framework. Ensure the implementation of security measures in accordance with the SSP and ISSM’s guidance.
• Perform periodic Risk Assessments of the networks and identify and document any unique threats to them.  Develop and perform regular vulnerability and security posture tests of the network, as required by the Security Control Assessor (SCA) and ISSM.
• Assist with the evaluation of changes or additions to the network within the facility, work with the ISSM to determine security relevance, and make recommendations for approval or denial to the ISSM.
• Assist the Facility Security Officer (FSO) with periodic inventories.
• Provide general technical support to users and general system administrator support.

Required Education:

• BA/BS degree.  Select certifications may be substituted for the education requirement.  Candidate must be 8570.1M / 8140 compliant with certifications of Security+, SSCP, or CISSP as well as Network+, or CCNA (or better).

Required Experience:

• Must have 4+ years of work experience
• Must have past experience with, and demonstrate the skills and capabilities to successfully execute the duties and responsibilities of this position
• Must have 4+ years of experience in supporting Cisco IOS and NXOS switches, routers, and ASA firewalls
• Must have direct experience with maintaining and troubleshooting network hardware, and be familiar with virtualization using KVM and SLiRP
• Must demonstrate a general commitment to excellence, a dedication to producing quality work results, and an ability to learn and apply new skills
• Must be a flexible, positive and energetic team player; be able to work in a fast paced environment; adapt to changes tasking; and be able to work with minimal supervision
• Must be courteous and professional when interacting with colleagues and customers, demonstrate a solid ability to identify and solve problems, plan and prioritize personal tasking, effectively communicate verbally and in writing, and be able to work successfully in a team environment

Desired Experience:

• Linux script development
• Familiarity with Jira, Confluence, Portfolio, and Service Desk platforms.
• Experience with GDMS encryption devices such as the TACLANE family of devices, VIPER phones, and key fill devices.

External Referral Eligible

External Referral Bonus:


Potential for Telework:


Clearance Level Required:



Yes, 10% of the time

Scheduled Weekly Hours:




Requisition Category:


Job Family:

Network Administration and Ops

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

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.

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 [Click Here to Email Your Resumé].

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.