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ISYS Technologies

IT services and cybersecurity for government

Network Systems Engineer

Full-TimeDeadline 5/11/27
$85k - $92.7k
Mid, Senior
Bachelor's, Master's
Odenton, MD, USA
In Person
IT OperationsNetwork Engineering & Administration
No H1B Sponsorship
US Citizenship, US Top Secret Clearance Required

About the job

Requirements
  • Active Department of Defense clearance at the Top Secret level with SCI eligibility.
  • Security+ certification or another Department of Defense 8570 IAT Level II certification within a specified timeframe after starting if not held at hire.
  • Extensive knowledge of defense-in-depth principles, network and security architecture, network topology, IT device integrity, and common security elements.
  • Four or more years of experience engineering and troubleshooting networks, including extensive routing and switching experience with one or more of MPLS, VPNs, BGP, OSPF, IS-IS, Spanning Tree Protocol, VLANs, LLDP, VoIP, multicast protocols, or emerging network technologies.
  • Strong understanding and in-depth knowledge of IP network and subnet addressing.
  • Experience developing and maintaining technical documents, analyses, and reports.
  • Experience developing and presenting technical information to senior customer management, customer stakeholders, and company management.
  • Hands-on experience deploying, configuring, and troubleshooting Cisco enterprise network routing, switching, and firewall/security devices.
  • Ability to travel up to 10% for overseas travel.
  • A Bachelor of Science degree and 4–8 years of prior relevant experience, or a Master's degree and 2–6 years of prior relevant experience, or an equivalent combination of education and experience.
  • U.S. citizenship is required.
  • An active Top Secret clearance is required.
  • Ability to meet the physical demands of the position, including sitting, walking, standing, climbing stairs, repeated hand/arm/finger motions, manual dexterity, required vision and hearing abilities, communication through speech, and lifting up to 20 pounds, with or without reasonable accommodation.
Responsibilities
  • Provide network integration, testing, security engineering, implementation, and configuration support.
  • Collaborate with network architects to define and continuously improve Security Technical Implementation Guide (STIG)-compliant configuration baselines, versioning, and compliance tracking.
  • Test and validate automation and opportunities to insert best practices.
  • Lead development of standard operating procedures and tactics, techniques, and procedures.
  • Support Continuous Service Improvements.
  • Support system performance tuning and enhancements.
  • Create and maintain Engineering Implementation Plans.
  • Support tier escalation of incident management tasks.
  • Participate in root cause analysis for problem management activities.
  • Participate in engineering meetings to connect operations and engineering and ensure operational readiness for new solutions planned for production deployment.
  • Perform highly technical maintenance involving firewalls, VPNs, intrusion prevention systems, and load balancers.
  • Provide network engineering and operations expertise, including large-scale enterprise network solution implementation and transition to Network Operations, and perform test and evaluation activities.
  • Perform highly technical maintenance involving network devices such as routers, switches, security solutions, and WANX.
Desired Qualifications
  • Extensive subject matter expert-level knowledge of network engineering and operations, integration, test and evaluation activities, and implementation and transition to Network Operations processes and concepts.
  • Cisco CCNP Route/Switch and/or CCNP Security certification.
  • Experience with and practical understanding of enterprise wide area network principles.
  • Experience with change, configuration, and performance management NetOps concepts.
  • IAT Level III certification, such as CISSP or equivalent.

About the company

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'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

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.