Full-Time

Senior Network Software Engineer

Updated on 9/3/2026

Deadline 8/4/27
ISYS Technologies

ISYS Technologies

201-500 employees

IT services and cybersecurity for government

Compensation Overview

$85.4k - $92.7k/yr

No H1B Sponsorship

Scott AFB, IL, USA

In Person

On-site position at Scott Air Force Base.

US Citizenship, US Top Secret Clearance Required

Bachelor's, Master's

Category
Software Engineering (1)
Required Skills
Python
Git
Network Monitoring
REST APIs
Linux/Unix

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Requirements
  • Currently possess a Department of Defense 8750 certification at Information Assurance Technical level II, Security+ CE, or equivalent.
  • Have Python software development experience, including REST API development and parsing, generation, and validation of JSON.
  • Have experience with distributed version control software such as Git and Bitbucket.
  • Have experience developing software on a Linux platform.
  • Have experience troubleshooting and configuring IP networks using BGP, ISIS, OSPF, or static routing.
  • Have experience with service provider or enterprise IP networks using Cisco ESR or ASR and/or Juniper routers.
  • Have strong communication skills for proactive and effective team collaboration.
  • Have knowledge of and ability to apply software engineering principles, theories, and concepts.
  • Have a BS and 4–8 years of prior relevant experience, or a Master's with 2–6 years of prior relevant experience.
  • Be a United States citizen.
  • Possess an active Secret clearance.
Responsibilities
  • Design, develop, document, test, and release software written in Python, XML, and other languages for the Cisco Network Services Orchestrator platform.
  • Integrate software with network devices, including Cisco ASR9K and Juniper MX series routers.
  • Perform engineering tasks related to designing, implementing, and integrating network changes and sustaining customer systems in a wide area network environment.
  • Conduct planning and performance of analytical research, design development, and other tasks aligned with customer specifications.
  • Ensure efficient delivery of contract capabilities using industry standards and repeatable processes.
  • Mitigate risks, control costs and schedule variance, and manage large-scale integrated projects.
  • Perform analytical tasks involving hardware and software design and implementation.
  • Identify, report, monitor, and mitigate technical risks.
  • Communicate and collaborate with team members to complete project objectives.
  • Provide mentorship and act as a technical resource for lower-level network engineers.
Desired Qualifications
  • Be proficient in Juniper and Cisco configuration, troubleshooting, and design.
  • Have experience with Cisco IOS XR, JUNOS, and Cisco IOS code.
  • Have network configuration experience with Juniper or Cisco routers and protocols such as BGP, MPLS, VPLS, pseudowires, and QoS.
  • Have certifications from major network system vendors such as Cisco.
  • Have experience developing XML and/or object-oriented software.
  • Have experience developing software using SDN modeling languages and protocols such as YANG, NETCONF, and RESTCONF.
  • Have full software lifecycle experience covering design, development, testing, and deployment to production.
  • Have experience developing software and the ability to learn new technologies quickly.
  • Have experience creating software design artifacts, including functional, technical, and architectural design documentation, test cases, and installation, deployment, and configuration documentation.
  • Have Software Defined Networking experience, particularly with Cisco NSO.
  • Have project, technical, interpersonal, presentation, and problem-management skills.

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

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Simplify Jobs

Simplify's Take

What believers are saying

  • CIRI bought I2X on February 2, 2026, adding balance-sheet support and cross-sell reach.
  • The $243 million NRL contract extends five years and anchors technical demand.
  • Winning OASIS+ in January 2025 expands access to Intel, R&D, and engineering buyers.

What critics are saying

  • I2X depends heavily on federal buyers; one protest or recompete can crater revenue.
  • Integration under CIRI after February 2026 distracts leadership and muddies culture.
  • If Navy or NASA spending shifts, I2X loses its highest-value growth engine.

What makes ISYS Technologies unique

  • Founded in 1990, I2X combines classified and unclassified cyber with systems engineering.
  • The March 6, 2025 NRL award proves deep electronic-warfare credibility.
  • OSC Global gives I2X a larger platform across defense, intelligence, and civilian work.

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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%
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.