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Salary
≈ $109k – $209k per year (Estimated)
Location
In office (Colorado Springs)
Seniority
Senior · 5+ years exp

Confirmed on the employer's own hiring board on Oct 21, 2026. First seen by Alion on Oct 14, 2026.

Overview
Company
Impact
Profile match
I2X Technologies, the trading name of ISYS Incorporated, is a government services contractor headquartered in Littleton, Colorado, that provides mission support, software and systems engineering, cybersecurity and enterprise IT services. With more than 20 years in the market, it supports the Department of Defense and other federal agencies, often on space and satellite programs, with staff at sites in more than 20 states, including Colorado Springs, Huntsville, Fort Meade, Hill Air Force Base and Fairbanks. It hires systems test, network, DevSecOps, software and mechanical engineers, Python developers, system and database administrators and security officers, most with clearances.

Minimum Clearance Required

Top Secret

Responsibilities

I2X Technologies is a reputable technology services company to the Federal Government. Whether the focus is on space exploration, national security, cyber security, or cutting-edge engineering applications, I2X is ready to offer you the chance to make a real-world impact in your field and for your country. We provide long-term growth and development. Headquartered in Colorado, I2X is engaged in programs across the country and in more than 20 states. Our programs support multiple Federal agencies, the Department of Defense and often focused on the space initiatives of our government customers.

I2X Technologies is seeking a Defensive Cyber Operations (DCO) Engineer to support ongoing activities for a customer in Colorado Springs. This position will be on-site and will require an active *Top Secret clearance with SCI eligibility.

  • Require a Defensive Cyber Operations (DCO) Engineer with a desire to actively defend the mission systems critical to our national defense.
  • As a DCO engineer the candidate will lead individuals towards common goals and work with engineers to apply extensive expertise on multiple complex work assignments.
  • Assignments may be broad in nature, requiring originality and innovation in determining how to accomplish tasks.
  • Leads the development of DCO methodologies and presents solutions to problems.
  • Contributes to deliverables and performance metrics where applicable.
  • Consults on IT and cyber defensive architecture and technologies.
  • Assesses assigned cyber key terrain to thoroughly understand the mission, architecture and associated threat.
  • Advises on technical design and implementation of DCO capabilities required to effectively protect, detect and respond to cyber threats and attacks.
  • Researches cyber defense technologies for best fit based on mission, architecture and current threat.
  • Leads the design, implementation, configuration and/or tuning of cyber defensive technology.
  • Authors documentation to include SOPs, checklists, implementation guides, architecture diagrams, crew binders, etc. to support DCO.
  • Adapts technologies to meet the mission architecture and threat

Qualifications

  • 5 years of technical experience in cyber-defense or cyber security related fields (e.g., engineering, networking, systems integration, solutions etc.).
  • 5 years of professional technical experience (these years may be in conjunction with #2)
  • Top Secret clearance with SCI eligibility
  • Experience years must come from at least 2 of the following areas:
  • Container or virtual environments (e.g. Docker, Kubernetes, VMware, AWS)
  • In-band and out-of-band test access points for network traffic collection and aggregation (e.g. Gigamon)
  • Data storage solutions (e.g. NFS storage, distributed storage, Ceph Ruck storage, etc.)
  • Data-analysis toolsets (e.g. Elastic Search, Logstash, Kibana, Splunk, etc.)
  • Agile frameworks for software development
  • Linux operating systems (Red Hat, Kali, etc.)
  • Windows operating systems
  • Network infrastructure
  • Security applications (Security Orchestration, Automation, and Response [SOAR], Security Information and Events Management [SIEM], Intrusion Detection Systems [IDS], etc.);

****Bachelor's degree required*****

DoD 8140 Work Role: 521:

BS degree in Information Technology, Cybersecurity, Computer Science, Information Systems, Data Science, or Software Engineering.

DAU DCWF 521 Cyber Defense Infrastructure Support Specialist - Intermediate Playlist

CIN A-531-1900 Joint Cyber Analysis Course (JCAC)

DISA (521) Training DCWF Cyber Defense Infrastructure Support Specialist OR

Certified Ethical Hacker (CEH)

CompTIA Cloud+

CompTIA Cybersecurity Analyst (CySA+)

CompTIA PenTest+

CompTIA Security+

GIAC Continuous Monitoring Certification (GMON)

GIAC Response and Industrial Defense (GRID)

GIAC Security Essentials Certification (GSEC)

Systems Security Certified Practitioner (SSCP)

Essential Requirements:

US Citizenship is required.

In compliance with Colorado’s Equal Pay for Equal Work Act, the annual base salary range for this position is listed . Please note that the salary information is a general guideline only. I2X Technologies considers factors such as (but not limited to) scope and responsibilities of the position, candidate’s work experience, education/training, key skills, internal peer equity, as well as, market and business considerations when extending an offer.

Physical Demands:

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job with or without reasonable accommodation.

While performing the duties of this job, the employee will regularly sit, walk, stand and climb stairs and steps. May require walking long distance from parking to work station. Occasionally, movement that requires twisting at the neck and/or trunk more than the average person, squatting/ stooping/kneeling, reaching above the head, and forward motion will be required. The employee will continuously be required to repeat the same hand, arm, or finger motion many times. Manual and finger dexterity are essential to this position. Specific vision abilities required by this job include close, distance, depth perception and telling differences among colors. The employee must be able to communicate through speech with clients and public. Hearing requirements include conversation in both quiet and noisy environments. Lifting may require floor to waist, waist to shoulder, or shoulder to overhead movement of up to 20 pounds. This position demands tolerance for various levels of mental stress.

I2X Technologies is an Engineering and Information Technology Company focused on providing Services to the Federal and State Government. I2X offers a competitive compensation program and comprehensive benefits package to our employees.

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