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# Systems Engineer Sr Stf - E5

- **Company:** Lockheed Martin
- **Location:** Fairfax, VA, United States
- **Experience:** Expert
- **Salary:** $145,100.0 - $269,500.0
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Cyber Security, Elasticsearch, Failure Mode Effects Analysis, Lightweight Directory Access Protocols (LDAP), Network Planning and Design, Security Information and Event Management, Verification and Validation (Software), Subsystems, Systems Integration, Network Routers, Software Verification, System Availability, Firewalls (Computer Science), GNSS, Cisco, Vulnerability Analysis
- **Published:** August 30, 2026
- **Apply:** https://www.jobmonkeyjobs.com/career/27971293/Systems-Engineer-Sr-Stf-E5-Virginia-Fairfax-1301

## About the Role

* Manage a small team of 6 Network and SIEM designers
 * Hands-on implementation experience with high reliability / high availability 24/7 comms platform
 * Cisco Router, Switch and Firewall implementation experience or equivalent
 * Requirements verification and Test planning (V&V), test procedure development and execution in front of customer witnesses.
 * Travel to Au and NZ sites. 25%
 * Support installations in various rural ANZ locations at odd, off-shift, hours
 * Strong Cyber security knowledge - Design for security, hardening, etc
 * AAA LDAP implementation - Radius implementation experience is a plus
 * Cyber Vulnerability assessment, check out and deployment of patches to the field
 * Able to troubleshoot and restore services
 * Able to communicate in written and verbal form in a virtual, global team
 * Strong on Documentation such as subsystem network design documents, test plans, maintenance procedures, etc.
 * Proven ability to brief design details and challenges to Engineering Chiefs, PMO, and up to Program Director level as necessary

Desired Skills

 * Deployment in an air-gapped architecture
 * Radius AAA on Cisco devices
 * Implementation or knowledge of Security Information and Event Management (SIEM) on Elastic Stack Enterprise
 * Cisco Certified Qualifications (e.g. CCNA)

## Description

LockheedMartinSpace is seeking a Level5 Systems Engineer to lead the design and implementation of the advanced Global Navigation Satellite System (GNSS) and Satellite Based Augmentation System (SBAS) solutions. The role involves applying rigorous systems engineering and reliable and secured networking techniques, ensuring compliance with industry standard development assurance guidelines, and delivering high reliability navigation capabilities for our commercial customers.

 * Development and Integration Lead - Develop and execute network design, cybersecurity requirements, and implementation plans for GNSS/SBAS hardware and software.
 * Assurance Standards Application - Apply SAEARP4754A, SAEARP4761, RTCADO 178C, DO 278A, and/or DO 254 as appropriate to ensure safety, reliability, and airworthiness.
 * Risk & Safety Analysis - Conduct hazard assessments, FMEA, and other safety analyses; mitigate technical and program risks.
 * Cross Disciplinary Coordination - Work closely with software, hardware, RF, electrical, and mission operations teams to resolve integration issues.
 * Mentorship & Expertise - Provide technical guidance to junior engineers and serve as a subject matter expert on GNSS/SBAS technologies.
 * Stakeholder Interaction - Communicate status, risks, and technical findings to customers, suppliers, and subcontractors., Performs technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total systems. Analyses are performed at all levels of total system product to include: concept, design, fabrication, test, installation, operation, maintenance and disposal. Ensures the logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints. Performs functional analysis, timeline analysis, detail trade studies, requirements allocation and interface definition studies to translate customer requirements into hardware and software specifications. For positions that perform IT responsibilities, use E646, Systems Engr-IT.


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