Senior Modeling and Simulation Software Developer at Parsons Corporation in Huntsville, AL | USD144,800-260,600 | Kablio

Role

Description

threat modeling

propagation effects

algorithm development

digital twins

test automation

signal processing

Work That Matters – Directly support the warfighter, acquisition community, and decision-makers by enabling the intelligence community to answer complex, critical questions quickly
Modeling advanced threat systems such as Surface-to-Air Missile Systems (SAMs), radar platforms, and missile seekers
Developing high-fidelity propagation effects, including terrain masking, refraction, and over-the-horizon propagation
Algorithm and technique development supporting Sensors, Missiles, and C4 including active/passive detection, clutter modeling, electronic attack, waveform selection, adaptive beamforming, weapon/target assignment optimization
Participating in technical discussions to assist in near-term and long-term planning.
Developing and enhancing software digital twins using C++ and Python on Windows and Linux platforms including:
Automated unit, system, and system-of-systems test planning, development, and execution
Collaborating within a team and mentoring junior/mid-level software developers.
Supporting simulation studies and integrating models into larger mission-level simulations
Creating tracking filters and signal processing chains for radar and electronic warfare systems
Defining requirements and designing solutions for modeling and simulation (M&S) software

Requirements

c++

python

agile

devops

secret clearance

ph.d.

Bachelor’s Degree in Computer Science, Computer Engineering, or Electrical Engineering with 12+ years of experience, OR
Mentoring experience and leadership skills
Familiarity with environmental datasets and RF propagation modeling
Experience in DevOps or DevSecOps environments
Ph.D. with 8+ years of experience
Candidate must possess an ACTIVE Secret clearance with the ability to obtain a Top Secret / SCI clearance with Counterintelligence polygraph
Experience with modeling in the STIMS 3 framework
Candidate must be a US Citizen
Experience developing products with regular release cycles
Master’s Degree with 10+ years of experience, OR
Excellent written and oral communication skills, with the ability to collaborate with technical teams and classified customers
Experience with threat system modeling in TMAP, ODESSA, ESAMS, AFSIM, and/or ITASE
Familiarity with RF hardware, signal processing, and modeling in radar, communications, or electronic warfare systems
Experience designing or operating code for distributed processing environments
Active or ability to obtain TS/SCI clearance with counterintelligence polygraph
Experience with STIMS 2 (Simulink) and/or STIMS 3 (C++) modeling frameworks
AGILE software development experience
Very strong programming skills in C++ and Python

Benefits

Security Clearance Opportunities – Parsons provides sponsorship and opportunities to upgrade security clearances for career advancement
New Challenges Every Day – Work on evolving customer needs, gaining exposure to emerging defense technologies spanning ground, surface, space, and cyber domains
Competitive Pay and Benefits – Join a company that prioritizes its employees, offering industry-leading compensation, comprehensive benefits, and opportunities for professional growth

Training + Development

Information not given or found

Interview process

Information not given or found

Visa Sponsorship

Information not given or found

Security clearance

Information not given or found

Company

Overview

1944 Founded

Year of Establishment

The company was established in 1944 by Ralph M. Parsons in California.

$6 Billion Annual

Revenue Figure

The firm generates an average of $6 billion in annual revenue.

Free Space Shuttle Move

Notable Achievement

The company successfully transported the Space Shuttle Endeavour at no cost.

Over decades it expanded into oil, petrochemical, water and infrastructure projects across the US and globally.
It leverages digital tools such as AI platforms, utility data systems, and drone integration alongside traditional design and construction.
Parsons completed high‑profile projects like major bridge, tunnel, and transit works.
Specializing in transportation, energy, environmental remediation, urban development, industrial, and cybersecurity projects.
The firm has delivered hundreds of mega‑projects worldwide, including infrastructure in the Middle East and environmental cleanup contracts.

Culture + Values

Safety: We adeptly avoid risk through our high‑value technical and management solutions and a companywide, personal commitment to maintaining a safe and healthy culture and environment in all our offices and on each of our projects.
Quality: We’re on a never‑ending quest to improve our processes, services, and products. Our quality management systems ensure ISO 9001 compliance every time…
Integrity: Having integrity means that we remain transparent in our practices by openly communicating with each other, our customers, and stakeholders; that we prioritize the quality of every job; and that we do the right thing each time we’re faced with a tough decision.
Innovation: Through intensive research and development, partnerships, and rapid prototyping, we confidently provide inventive processes and unique solutions that offer unrivaled value to our customers.
Sustainability: We operate in accordance with best practices to deliver solutions while addressing environmental risk and minimizing our carbon footprint.

Environment + Sustainability

50% Reduction

Absolute Scope 1 & 2 GHG Emissions by 2030

Aims to reduce absolute Scope 1 and Scope 2 greenhouse gas emissions by 50% by 2030, referencing a 2019 base year.

100% Renewable

Electricity Sourcing by 2028

A commitment to sourcing 100% of electricity from renewable sources by 2028, having started from 0% in 2019.

90% Reduction

Absolute GHG Emissions by 2045

Long-term goal to reduce absolute Scope 1 and Scope 2 greenhouse gas emissions by 90% by 2045.

Net-Zero Goal

GHG Emissions by 2045

Comprehensive target to achieve net-zero greenhouse gas emissions across the entire value chain by 2045.

Purchased renewable energy certificates and reduced market-based Scope 2 emissions in 2023.
Achieved significant diversion of shredded paper and repurposed electronics in 2023.
Recycled or repurposed hardware units in Middle East offices in 2023.

Inclusion & Diversity

34% increase

Diversity Representation

The organization achieved a significant 34% increase in diversity representation across the enterprise in 2021.

33% increase

Women in Leadership

Women in leadership roles grew by 33% within the organization in 2021, reflecting progress in gender diversity.

50% diverse

Executive Leadership

The executive leadership team was 50% diverse and demonstrated a strong commitment to inclusion in early 2022.

100% score

Human Rights Campaign Index

The organization earned a perfect score of 100 on the Human Rights Campaign Corporate Equality Index for 2023–2024, highlighting its dedication to LGBTQ+ equality.

Created a DEI Council in 2017 to unify efforts around diversity and inclusion.
Supports Employee Business Resource Groups such as MILVET, HOLA, PRIDE Alliance, BELONG, PWR, SOAR, and FORCE to foster networking, mentorship, and professional development.
Recognized as one of Forbes' 2023 Best Employers for Diversity.

Articles

Role

Description

threat modeling

propagation effects

algorithm development

digital twins

test automation

signal processing

Work That Matters – Directly support the warfighter, acquisition community, and decision-makers by enabling the intelligence community to answer complex, critical questions quickly
Modeling advanced threat systems such as Surface-to-Air Missile Systems (SAMs), radar platforms, and missile seekers
Developing high-fidelity propagation effects, including terrain masking, refraction, and over-the-horizon propagation
Algorithm and technique development supporting Sensors, Missiles, and C4 including active/passive detection, clutter modeling, electronic attack, waveform selection, adaptive beamforming, weapon/target assignment optimization
Participating in technical discussions to assist in near-term and long-term planning.
Developing and enhancing software digital twins using C++ and Python on Windows and Linux platforms including:
Automated unit, system, and system-of-systems test planning, development, and execution
Collaborating within a team and mentoring junior/mid-level software developers.
Supporting simulation studies and integrating models into larger mission-level simulations
Creating tracking filters and signal processing chains for radar and electronic warfare systems
Defining requirements and designing solutions for modeling and simulation (M&S) software

Requirements

c++

python

agile

devops

secret clearance

ph.d.

Bachelor’s Degree in Computer Science, Computer Engineering, or Electrical Engineering with 12+ years of experience, OR
Mentoring experience and leadership skills
Familiarity with environmental datasets and RF propagation modeling
Experience in DevOps or DevSecOps environments
Ph.D. with 8+ years of experience
Candidate must possess an ACTIVE Secret clearance with the ability to obtain a Top Secret / SCI clearance with Counterintelligence polygraph
Experience with modeling in the STIMS 3 framework
Candidate must be a US Citizen
Experience developing products with regular release cycles
Master’s Degree with 10+ years of experience, OR
Excellent written and oral communication skills, with the ability to collaborate with technical teams and classified customers
Experience with threat system modeling in TMAP, ODESSA, ESAMS, AFSIM, and/or ITASE
Familiarity with RF hardware, signal processing, and modeling in radar, communications, or electronic warfare systems
Experience designing or operating code for distributed processing environments
Active or ability to obtain TS/SCI clearance with counterintelligence polygraph
Experience with STIMS 2 (Simulink) and/or STIMS 3 (C++) modeling frameworks
AGILE software development experience
Very strong programming skills in C++ and Python

Benefits

Security Clearance Opportunities – Parsons provides sponsorship and opportunities to upgrade security clearances for career advancement
New Challenges Every Day – Work on evolving customer needs, gaining exposure to emerging defense technologies spanning ground, surface, space, and cyber domains
Competitive Pay and Benefits – Join a company that prioritizes its employees, offering industry-leading compensation, comprehensive benefits, and opportunities for professional growth

Training + Development

Information not given or found

Interview process

Information not given or found

Visa Sponsorship

Information not given or found

Security clearance

Information not given or found

Company

Overview

1944 Founded

Year of Establishment

The company was established in 1944 by Ralph M. Parsons in California.

$6 Billion Annual

Revenue Figure

The firm generates an average of $6 billion in annual revenue.

Free Space Shuttle Move

Notable Achievement

The company successfully transported the Space Shuttle Endeavour at no cost.

Over decades it expanded into oil, petrochemical, water and infrastructure projects across the US and globally.
It leverages digital tools such as AI platforms, utility data systems, and drone integration alongside traditional design and construction.
Parsons completed high‑profile projects like major bridge, tunnel, and transit works.
Specializing in transportation, energy, environmental remediation, urban development, industrial, and cybersecurity projects.
The firm has delivered hundreds of mega‑projects worldwide, including infrastructure in the Middle East and environmental cleanup contracts.

Culture + Values

Safety: We adeptly avoid risk through our high‑value technical and management solutions and a companywide, personal commitment to maintaining a safe and healthy culture and environment in all our offices and on each of our projects.
Quality: We’re on a never‑ending quest to improve our processes, services, and products. Our quality management systems ensure ISO 9001 compliance every time…
Integrity: Having integrity means that we remain transparent in our practices by openly communicating with each other, our customers, and stakeholders; that we prioritize the quality of every job; and that we do the right thing each time we’re faced with a tough decision.
Innovation: Through intensive research and development, partnerships, and rapid prototyping, we confidently provide inventive processes and unique solutions that offer unrivaled value to our customers.
Sustainability: We operate in accordance with best practices to deliver solutions while addressing environmental risk and minimizing our carbon footprint.

Environment + Sustainability

50% Reduction

Absolute Scope 1 & 2 GHG Emissions by 2030

Aims to reduce absolute Scope 1 and Scope 2 greenhouse gas emissions by 50% by 2030, referencing a 2019 base year.

100% Renewable

Electricity Sourcing by 2028

A commitment to sourcing 100% of electricity from renewable sources by 2028, having started from 0% in 2019.

90% Reduction

Absolute GHG Emissions by 2045

Long-term goal to reduce absolute Scope 1 and Scope 2 greenhouse gas emissions by 90% by 2045.

Net-Zero Goal

GHG Emissions by 2045

Comprehensive target to achieve net-zero greenhouse gas emissions across the entire value chain by 2045.

Purchased renewable energy certificates and reduced market-based Scope 2 emissions in 2023.
Achieved significant diversion of shredded paper and repurposed electronics in 2023.
Recycled or repurposed hardware units in Middle East offices in 2023.

Inclusion & Diversity

34% increase

Diversity Representation

The organization achieved a significant 34% increase in diversity representation across the enterprise in 2021.

33% increase

Women in Leadership

Women in leadership roles grew by 33% within the organization in 2021, reflecting progress in gender diversity.

50% diverse

Executive Leadership

The executive leadership team was 50% diverse and demonstrated a strong commitment to inclusion in early 2022.

100% score

Human Rights Campaign Index

The organization earned a perfect score of 100 on the Human Rights Campaign Corporate Equality Index for 2023–2024, highlighting its dedication to LGBTQ+ equality.

Created a DEI Council in 2017 to unify efforts around diversity and inclusion.
Supports Employee Business Resource Groups such as MILVET, HOLA, PRIDE Alliance, BELONG, PWR, SOAR, and FORCE to foster networking, mentorship, and professional development.
Recognized as one of Forbes' 2023 Best Employers for Diversity.

Articles