Full-Time

Modeling & Simulation Product Team Lead

Posted on 11/7/2025

Deadline 1/13/27
ISYS Technologies

ISYS Technologies

201-500 employees

IT services and cybersecurity for government

No salary listed

Colorado Springs, CO, USA

In Person

US Top Secret Clearance, UK Citizenship Required

Category
Software Engineering (1)
Required Skills
Bash
Python
JavaScript
Git
Java
MATLAB
Perl
JIRA
DevOps
Linux/Unix
Requirements
  • Emerging authority typically with an advanced degree and 7+ years experience or bachelors with 9+ years experience or equivalent
  • Must have DoD Final Secret clearance prior to start
  • Must have experience with developing and working with mathematical models
  • Algorithm engineering to solve computer algorithm problems, including design, analysis, implementation, optimization, profiling, and experimental evaluation
  • Systems engineering and software engineering processes and principles
  • Strong math and physics, including probability and statistics, linear algebra, and calculus
  • Must have ability to use MATLAB or similar languages (Python, Perl, Bash, Mathematica, JavaScript, etc.) to perform prototyping, data visualization, scripting, parsing, and functional programming
  • Be able to work both independently and in a team environment
  • Must have the ability to thrive in a fast-paced, dynamic work environment
  • Possess excellent written and verbal communication skills
  • Familiarity with Linux and/or Unix based development
Responsibilities
  • Work closely with agile teams to understand concepts, algorithms, and logging in order to prototype Modeling and Simulation Tools and generate scenario datasets
  • Utilize math, physics, statistics, data parsing, plotting, and database techniques to develop Algorithm Description Documents (ADDs) and algorithm reference implementations and commit them to Git repositories for version control
  • Develop unit tests, preferably as Cucumber scenarios, in order to support the transition and development of MATLAB reference implementations in Java
  • Use DevSecOps principles to setup and maintain nightly pipelines to support automated analysis / test and continuous integration testing of algorithm reference implementations
  • Provide demonstrations of their ADDs and reference implementations as part of Agile sprints with their respective Integrated Product Team (IPT) to the Project Owners (POs) and Release Train Engineer (RTE)
  • Provide technical support to the IPTs in order to develop M&S tools that help verify and validate the tactical implementation of algorithms
  • Develop technical briefs and present briefings to both internal and external stakeholders at Technical Interchange Meetings (TIMs)
  • Complete understanding and wide application of technical principle, theories, and concepts in the field
  • Having a general knowledge of other related disciplines
  • Provide technical solutions to a wide range of complex difficult problems (solutions are imaginative, thorough, practicable, and consistent with organizational objectives- Work under only general direction and independently determine and develop approaches to solutions; work will be reviewed upon completion for adequacy in meeting objectives
  • Contribute to the completion of specific programs and projects (failure to obtain results or erroneous decisions or recommendations would typically result in serious program delays and considerable expenditure of resources)
  • Frequently interface internally with Integrated Product Teams (IPT) of other systems engineers, software developers, and analysts
  • Frequently interface externally with Federally Funded Research and Development Contracts (FFRDCs) and government customer contacts
  • Represent the organization in providing solutions to difficult technical issues associated with specific projects
  • Interfacing with the RTE and POs in order to develop and maintain the M&S IPT Backlog within JIRA
  • Contribute to the M&S IPT completion of stories
  • Mentor junior engineers on the M&S IPT
Desired Qualifications
  • Strong analytical skill including Monte Carlo analysis and statistical regression
  • The ability to use MATLAB, Linux, databases, Git, Bitbucket, Jenkins/Hudson, Jira, Cucumber, Confluence, Twiki, and regular expressions
  • Highly desired: current DoD Final Top Secret with SCI/ SAP eligibilityDesire experience with the following:
  • Modeling and simulation of large complex systems
  • Machine learning techniques and metaheuristics
  • Verification & Validation (V&V) testing of complex software systems
  • The Missile Defense domain, or Space Domain Awareness domain
  • Surveillance and target acquisition, track state estimation and correlation, track-to-truth mapping, state vectors, tracking covariances, coordinate conversions, time conversions, and EOIR/RF phenomenology, scheduling and resource management, identification and discrimination, battle management, signal processing, and/or orbital dynamics
  • Agile software development processes
  • Distributed application environments coded in Java, C++, or other Object-Oriented languages
  • The ability to use MATLAB, Linux, databases, Git, Bitbucket, Jenkins/Hudson, Jira, Cucumber, Confluence, Twiki, and regular expressions

ISYS Technologies provides IT solutions and engineering support for government and private sector clients, specializing in mission support, software and systems engineering, and cyber/IT services in both classified and unclassified environments. Its services include IT consulting, network design and implementation, cloud computing, and cybersecurity assessments to protect critical infrastructure across domains like space, intelligence, weather, and homeland security for the DoD and federal civilian agencies. In February 2026 it was acquired by Cook Inlet Region, Inc. (CIRI) and now operates under OSC Global, a CIRI subsidiary focusing on IT, cybersecurity, and software services, with Teresa Porter remaining president and CEO. The goal is to broaden CIRI’s portfolio and support long-term growth by expanding capabilities in defense-grade IT and mission-focused engineering across multiple domains while working in both classified and unclassified environments.

Company Size

201-500

Company Stage

N/A

Total Funding

N/A

Headquarters

Littleton, Colorado

Founded

1989

Simplify Jobs

Simplify's Take

What believers are saying

  • CIRI acquisition in January 2026 broadens portfolio under OSC Global.
  • $23.7 million revenue in 2025 signals strong growth post-acquisition.
  • Offices in Littleton, DC, and Bellevue support DoD clients near Offutt AFB.

What critics are saying

  • NDAA Section 847 blocks DoD contracts due to CIRI foreign influence in 3-6 months.
  • Leidos wins $500M C5ISR rebid in Q2 2026, eroding 15% market share.
  • Palantir secures USAF multi-INT contract in April 2026, cutting $100M revenue.

What makes ISYS Technologies unique

  • I2X Technologies delivers cyber and IT services in classified environments for DoD.
  • 100% Women Owned Small Business status unlocks federal set-aside contracts.
  • Specializes in C5ISR, multi-INT intelligence, and satellite communications domains.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Unlimited Paid Time Off

Flexible Work Hours

Hybrid Work Options

Remote Work Options

Paid Vacation

Paid Sick Leave

Paid Holidays

401(k) Retirement Plan

401(k) Company Match

Wellness Program

Mental Health Support

Gym Membership

Conference Attendance Budget

Professional Development Budget

Phone/Internet Stipend

Home Office Stipend

Stock Options

Company Equity

Family Planning Benefits

Fertility Treatment Support

Adoption Assistance

Parental Leave

Relocation Assistance

Employee Referral Bonus

Training Programs

Tuition Reimbursement

Professional Certification Support

Mentorship Program

Wellness Program

Meal Benefits

Employee Discounts

Company Social Events

Growth & Insights and Company News

Headcount

6 month growth

0%

1 year growth

0%

2 year growth

0%
The Associated Press
Feb 2nd, 2026
Alaska Native corporation CIRI acquires IT firm I2X Technologies to expand $1B+ portfolio

Cook Inlet Region, Inc. (CIRI), an Alaska Native regional corporation, has acquired I2X Technologies, a provider of IT software, systems engineering and data management solutions to government and private-sector clients. Financial terms were not disclosed. I2X, founded in 1990 and headquartered in Littleton, Colorado, employs nearly 280 staff. The company will operate under OSC Global, CIRI's wholly owned IT and cybersecurity subsidiary formed in 2024. The acquisition expands CIRI's diverse business portfolio, which currently exceeds $1 billion in assets. CIRI, created under the Alaska Native Claims Settlement Act in 1972, has nearly 10,000 shareholders. CEO Swami Iyer said the purchase strengthens the company's portfolio and positions it for long-term growth.

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