To our valued Leidos candidates:

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Job #: R-00117626
Location: Fort Meade, MD
Category: Network Administration and Ops
Schedule (FT/PT): Full Time
Travel Required: Yes, 10% of the time
Shift: Day
Remote Type: No Remote
Clearance: Top Secret/SCI
Referral Eligibility: Eligible
Referral Bonus Amount: $5000
Group: Defense

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Leidos is seeking an experienced Network Systems and Services Engineer to provide sustainment support to a mission critical IP email and chat transport system. The location is Ft. Meade, MD. A successful candidate will develop an understanding of the services offered to external organizations and provide lifecycle systems engineering support to development and operations on the program. As a member of this team, you will interact with technical and non-technical teammates including customers and vendors. You will be viewed as a senior network and IT systems engineer as related to the service infrastructure and Network Management System (NMS) - including multiple environments (DEV/TEST and Production).

Primary Responsibilities:

  • Support maintaining a large, complex and highly resilient Cisco based enterprise IP data transport and communications infrastructure.

  • Must be organized, document oriented, possess skills in diagramming, and understand WAN principals.

  • Perform system maintenance, support capacity planning activities and complete configuration change actions and documentation efforts.

  • Troubleshoot and configure Cisco routing and switching devices.

  • Troubleshoot and configure network cryptographic encryption devices.

  • Support distributed firewall infrastructure.

  • Develop technical documents, work instructions and reporting.

  • Troubleshoot and resolve complex technical problems utilizing strong knowledge of IP LAN/WAN principles and commercial leased transport.

  • Troubleshoot remote site connectivity, and encryption problems.

  • Validate change requests and ensure accuracy.

  • Tier escalation support and vendor engagement supporting Incident Management activities.

  • Active participation in Root Cause Analysis for Problem Management activities.

  • Perform highly technical maintenance involving servers, firewalls, VPNs, IPS, and load balancers.

  • Support and sustain hosted applications via Microsoft Hyper-V.

Basic Qualifications:

  • Requires BS degree and 8-12 years of prior relevant experience. Specific experience, education and training may be considered in lieu of degree.

  • Active DoD clearance at the Top-Secret level with SCI eligibility

  • Security+ Certification or other DOD 8570 IAT Lvl II Certification within a certain timeframe after starting if not starting with one when hired.

  • Experience with 3 or more of the following network protocols, services and concepts: VPLS, VPN, MACSEC, EIGRP, HSRP, VRF, NTP and ACLs.

  • Expertise and experience with current Cisco IOS software and hardware features

  • Knowledge and experience with SMTP based email systems.

  • Knowledge and experience with HAIPE-based encryption devices

  • Knowledge of Virtualization technologies

  • Experience with SMTP and POP3 hosted server applications.

  • Experience utilizing and sustaining services supporting the following network management protocols: SNMP and Syslog.

Desired Qualifications:

  • CCNP Routing and Switching or CCNP Enterprise

  • Experience with cryptographic keying and type 1 HAIPE Inline Network Encryptors (INE) specifically KG-250X and KG-175D.

  • Experience with hosted chat application services.

  • Experience with Windows Server 2019.

  • Ability to travel up to 10% including OCONUS potential travel.


Pay Range:

Pay Range $84,500.00 - $130,000.00 - $175,500.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is a Fortune 500® technology, engineering, and science solutions and services leader working to solve the world’s toughest challenges in the defense, intelligence, civil, and health markets. The company’s 46,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $14.4 billion for the fiscal year ended December 30, 2022.  For more information, visit

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

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

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.

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