Software Systems Engineer Stf - Level 4

Lockheed Martin; Fairfax (VT); On-site; USD 118,000 - 219,000; Full time

Job summary

Lockheed Martin Space is seeking a Level4 Software Systems Engineer to lead GNSS/SBAS design and secure networking solutions. You will implement verification plans, coordinate across software, hardware, RF, and operations teams, and guide junior engineers in high‑reliability navigation systems for commercial customers.

The role requires expertise in security, system integration, and customer communication, with travel to ANZ sites and global deployment readiness.

Qualifications

• Experience in a small network/siem design team with security focus.
• Proven ability to verify requirements and develop test plans.
• Strong documentation and stakeholder communication skills.

Responsibilities

• Lead WAN subsystem design, cybersecurity requirements, and implementation plans for GNSS/SBAS.
• Perform requirements impact assessments and support verification activities.
• Coordinate across software, hardware, RF, electrical, and operations teams.
• Mentor junior engineers and provide GNSS/SBAS technical guidance.
• Communicate status, risks, and findings to customers and suppliers.

Skills

Network design

WAN/LAN experience

High availability systems

Security design

V&V planning

Documentation

Written/Verbal communication

Education

Cisco CCNA or equivalent

Tools

Cisco routers/switches/firewalls

LDAP/RADIUS implementations

Elastic SIEM

Job description

Standard Job Description

LockheedMartinSpace is seeking a Level4 Software 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.

• Wide Area Network (WAN) Subsystem Network Engineering and Verification Support – Develop and execute network design, cybersecurity requirements, and implementation plans for GNSS/SBAS hardware and software.
• Requirements impact assessment (primarily security related), working with implementation team to support design/solutioning, updated subsystem verification plan, develop verification procedures / scripts, perform verification, work with team to document defects, incorporate fixes, regression test and complete verification, on-site install, support to system I&T and V&V activities.
• 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.

Standard Job Description

LockheedMartinSpace is seeking a Level4 Software 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.

• Wide Area Network (WAN) Subsystem Network Engineering and Verification Support – Develop and execute network design, cybersecurity requirements, and implementation plans for GNSS/SBAS hardware and software.
• Requirements impact assessment (primarily security related), working with implementation team to support design/solutioning, updated subsystem verification plan, develop verification procedures / scripts, perform verification, work with team to document defects, incorporate fixes, regression test and complete verification, on-site install, support to system I&T and V&V activities.
• 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.

The information below reflects the standard job description for this position:

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.

Basic Qualifications

• Support a small team of Network and SIEM designers
• Terrestrial and satellite LAN and WAN experience
• 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.

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)

Pay Information

Full‑Time Salary Range: $118000.00 - $219100.00

At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well‑being, and help you grow—both professionally and personally. The salary range for this position is as listed on the requisition. Please note that the salary information listed is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market(work location) and business considerations when extending an offer.

Benefits offered:

Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short‑Term Disability, and Long‑Term Disability.

• Annual short‑term and/or long‑term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.
• For (Washington state applicants only) Non‑represented full‑time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.