Network Engineer

Isys Technologies; Colorado Springs (CO); On-site; USD 90,000 - 135,000; Full time

Job summary

I2X Technologies, headquartered in Colorado, seeks a Network Engineer to support a DoD customer in Colorado Springs. The role requires an active Secret clearance and on-site work.

You will design, implement, and maintain network infrastructure, including firewalls and Linux systems, with emphasis on security hardening and documentation. Responsibilities include patch management, network testing, and working with vendors to ensure reliable connectivity and compliance.

Qualifications

• Active Secret clearance required for the role.
• Bachelor's degree with at least 7 years of professional experience in network engineering.
• Security+ certification or equivalent; DoD/DISA STIG experience preferred.
• Hands-on in designing, implementing, troubleshooting, and maintaining network infrastructure.
• Experience with firewall technologies from Palo Alto, Cisco, and Juniper.
• Experience administering and troubleshooting RHEL/Linux systems and patching.

Responsibilities

• Designs and plans network communications systems for DoD programs.
• Provides detailed schematics for network architecture and hardware/software selection.
• Conducts testing of network designs and validates configurations.
• Maintains expertise in network interconnection hardware and security controls.
• Implements, patches, and tests quarterly updates in lab and production environments.
• Develops and maintains network documentation, including STIG checklists and runbooks.
• Supports cyber vulnerability testing, firewall licensing, and anomaly troubleshooting.
• Provides training for network installation and troubleshooting tasks.

Skills

Network design

Troubleshooting

Firewall management

RHEL/Linux administration

Scripting (Python/Bash/PowerShell)

GitLab

Education

Bachelor's degree with 7 years of professional experience

Security+ Certification

CCNA/Net+/CCNP/PCNSE certifications preferred

Tools

Cisco hardware

Palo Alto firewall

Juniper firewall

GitLab

Linux environments

Job description

Minimum Clearance Required

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 Network Engineer to support ongoing activities for a customer in Colorado Springs,CO. This position will be on-site and will require an active Secret clearance.

• Designs and plans network communications systems.
• Provides specifications and detailed schematics for network architecture.
• Provides specific detailed information for hardware and software selection, implementation techniques and tools for the most efficient solution to meet business needs, including present and future capacity requirements.
• Conducts testing of network design.
• Maintains technical expertise in all areas of network and computer hardware and software interconnection and interfacing, such as routers, multiplexers, firewalls, hubs, bridges, gateways, etc.
• Evaluates and reports on new communications technologies to enhance capabilities of the network.
• Research vendor recommended quarterly patches for Network devices (Cisco Switch, Cisco firewall, Juniper firewall, Palo Alto firewall)
• Perform quarterly network patch integration and system testing in lab environment
• Update content in Gitlab for quarterly deliveries (Configurations, Licenses, IOS files)
• Write and edit quarterly network installation instructions for delivery to Operations
• Install quarterly network device patches in lab and Operational environments
• Create, update and provide justifications for network device cyber security STIG checklists
• Provide network support for Cyber Vulnerability Testing (Access, Connectivity and checklists)
• Track, acquire and install firewall license files
• Troubleshoot Operational and lab environments for network device outages and anomalies
• Provide training for network device installations and troubleshooting tasks

Qualifications

• Active Secret clearance
• Bachelor's degree with 7 years of professional experience
• Sec+ Certification required
• Hands-on experience designing, implementing, troubleshooting, and maintaining network infrastructure.
• Experience developing network architecture, detailed network diagrams, implementation plans, and configuration documentation.
• Demonstrated experience building and deploying network infrastructure from design through implementation, configuration, testing, and operational turnover.
• Hands-on experience configuring, troubleshooting, patching, and maintaining enterprise firewalls, including Palo Alto, Cisco, and/or Juniper platforms.
• Hands-on experience administering and troubleshooting RHEL/Linux systems, including system patching, package management, service management, log analysis, permissions, and basic networking.
• Experience with firewall policies, NAT, routing, VPNs, security zones, and access-control rules.
• Demonstrated experience applying DoD security hardening requirements to network infrastructure.
• Experience implementing, validating, and documenting DISA STIG requirements for network devices.
• Experience developing and executing patch/test plans, including rollback procedures and validation testing.
• Demonstrated ability to produce clear technical documentation, implementation procedures, configuration documentation, test plans, and troubleshooting guides.
• Experience troubleshooting network devices following software/firmware upgrades.
• Strong working knowledge of TCP/IP networking, IPv4/IPv6, VLANs, routing, switching, DNS, DHCP, ARP, and subnetting.
• Experience troubleshooting network connectivity using packet captures and network diagnostic tools.
• GitLab exposure/experience
• Experience developing or modifying scripts to automate network administration, configuration management, validation, or operational tasks.
• Proficiency with at least one scripting language such as Python, Bash, or PowerShell.
• NAS management
• CCNA, Net+ CCNP, PCNSE certifications highly preferred

Additional Information: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 does not discriminate, and the company provides equal employment opportunity for all employees and applicants without regard to race, religion, color, sex, gender, sexual orientation, national origin, citizenship status, age, marital status, pregnancy or parenthood, handicap or disability, genetics, veteran status or any other legally protected characteristic.

I2X Technologies adheres to all federal, state and local laws regarding equal employment opportunity and will not discriminate against you in violation of these laws. I2X Technologies reserves the right to apply CIRI Shareholder preference to qualified Shareholders in employment and advancement opportunities.

I2X Technologies participates in E-Verify. We will provide the Social Security Administration (SSA) and, if necessary, the Department of Homeland Security (DHS), with information from each new employee's Form I-9 to confirm work authorization.

Reasonable Accommodation:

I2X Technologies will provide reasonable accommodations, according to applicable state and federal laws, to all qualified individuals with physical or mental disabilities. In compliance with the ADA Amendments Act (ADAAA), if you have a disability and would like to request an accommodation in order to apply for a position with I2X Technologies, please email [e-mail].