Senior Transmission Line Engineer

How to use this kit

Ground every answer in facts on this page and the original listing. We never invent Glassdoor-style reviews or salaries that are not in our data.

Interview prep

• Walk through a transmission or distribution design you owned end-to-end.
• How you enforce codes, specs, and safety in construction/install support.
• Example calculations (clearances, loading, standards) and CAD/tools used.
• Keeping multi-party projects on time and within budget.
• Working with customers and other engineers on changing requirements.

Fit summary

Strong fit if you have senior electrical/transmission design experience, comfort with construction and compliance oversight, and interest in Leidos-scale federal or critical infrastructure programs. On-site in Marion County, IN; thrives with calculation rigor, software fluency, and cross-team coordination.

Day in the role

As a Senior Transmission Line Engineer at Leidos, you design and improve power-line and related electrical systems, run load/clearance and construction calculations, and use CAD/engineering software. You coordinate construction, installation, and testing to codes and specs, keep work on schedule and budget, and confer with engineers and customers on active projects—typical of senior electrical/transmission work on government or critical-infrastructure programs.

Skills to emphasize

Build depth in transmission design, codes/standards, construction coordination, and engineering calculation/CAD tools. Free learning options from the provided list (costs as given): freeCodeCamp Full Stack (free); Saylor CS (free); CS50 (free to learn); Microsoft Learn (free to learn)—useful for automation/scripting around engineering workflows, not a substitute for PE/power-systems credentials.

FAQ from this listing

Is this role remote?

No—the listing marks remote as 0; expect on-site work in the Spring Hills / Marion County, Indiana area.

What kind of company is Leidos?

A public (LDOS) defense, IT, and engineering services firm headquartered in Reston, Virginia, rooted in SAIC and expanded via a 2016 Lockheed Martin IT combination.

What does day-to-day work look like?

Senior transmission-line engineering: design and analysis, calculations, CAD, compliance-driven construction support, and coordination with engineers and customers on schedule and budget.

Occupation tasks (O*NET)

Public-domain labor data — prepare examples for 2–3 of these.

• Design, implement, maintain, or improve electrical instruments, equipment, facilities, components, products, or systems for commercial, industrial, or domestic purposes.
• Oversee project production efforts to assure projects are completed on time and within budget.
• Direct or coordinate manufacturing, construction, installation, maintenance, support, documentation, or testing activities to ensure compliance with specifications, codes, or customer requirements.
• Perform detailed calculations to compute and establish manufacturing, construction, or installation standards or specifications.
• Operate computer-assisted engineering or design software or equipment to perform engineering tasks.
• Confer with engineers, customers, or others to discuss existing or potential engineering projects or products.
• Investigate or test vendors' or competitors' products.
• Inspect completed installations and observe operations to ensure conformance to design and equipment specifications and compliance with operational, safety, or environmental standards.

O*NET source

Company facts (cached)

Website: leidos.com

Leidos Holdings, Inc. is an American defense, aviation, information technology, and biomedical research company headquartered in Reston, Virginia, that provides scientific, engineering, systems integration, and technical services. Founded as Science Applications International Corporation (SAIC), Leidos merged with Lockheed Martin's IT sector, Information Systems & Global Solutions, in August 2016 to create the defense industry’s largest IT services provider. The Leidos-Lockheed Martin merger is one of the biggest transactions thus far in the consolidation of the defense s…

Public cache only — not an employee review.

Role overview (listing rewrite)

Leidos is hiring a Senior Transmission Line Engineer in Spring Hills, Marion County, to help shape the next generation of high-voltage power infrastructure. If you thrive on tackling demanding electrical engineering problems alongside a collaborative, quick-moving team, this full-time role is built for you. About the Role As a Senior Transmission Line Engineer at Leidos, you will take ownership of electric transmission line design across high-voltage (HV) and extra high-voltage (EHV) systems. The position covers both overhead and underground configurations, giving you the chance to apply deep technical expertise to projects that strengthen the reliability of the electric grid. You'll operate in a fast-paced environment where engineering judgment, problem-solving, and teamwork drive results. Key Responsibilities Lead engineering and design efforts on electric transmission line projects for HV and EHV systems. Develop solutions for both overhead and underground transmission line configurations. Resolve complex technical challenges associated with electric transmission infrastructure. Collaborate closely with a multidisciplinary project team to deliver designs that meet performance and reliability standards. Contribute engineering insight throughout the full project lifecycle, from concept through completion. Qualifications Proven experience in transmission line engineering and design, ideally at a senior level. Working knowledge of high-voltage (HV) and extra high-voltage (EHV) overhead and underground systems. Strong analytical and problem-solving skills suited to a demanding, deadline-driven setting. Ability to work effectively as part of a dynamic, team-oriented engineering group. About Leidos Leidos is an organization that tackles some of the most challenging problems in critical infrastructure, including the electric transmission systems that keep communities powered. Joining the team in Spring Hills, Marion County means becoming part of a group dedicated to engineering excellence and meaningful technical work. How to Apply Ready to advance your career as a Senior Transmission Line Engineer with Leidos in Spring Hills, Marion County? View the full listing and submit your application to take the next step.

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Questions to ask them

• What does success look like in the first 90 days for this role?
• How is the team structured, and who would I work with most?
• What tools and systems does this role use daily?
• Is the work primarily based in Spring Hills, Marion County, hybrid, or fully remote?