Senior IT Infrastructure Engineer - JobID-0239

Innovative Defense Technologies; Arlington (VA); On-site; USD 135,000 - 273,000; Full time

Benefits offered by this job

Generous benefits package

Competitive PTO

Paid holidays

401(k) with matching

Job summary

Innovative Defense Technologies (IDT) seeks a Senior IT Systems Engineer to lead a team of engineers for building, integrating, and securing IT systems in Arlington, VA or San Diego, CA. The role emphasizes security, RMF/STIG readiness, and ongoing automation while mentoring junior staff.

The ideal candidate brings 7+ years’ experience, DoD exposure, and extensive VMware/Linux knowledge, plus scripting and risk-based security practices. On-site work and travel up to 25% are required.

Qualifications

• Bachelor's degree in Computer Science, Information Technology or equivalent professional experience
• 7+ years' relevant experience
• 2+ years leading technical teams or directing engineering workflows
• Direct support experience for the Department of Defense
• Willingness to travel up to 25%
• Extensive experience with VMware or similar virtualization
• Experience troubleshooting complex networks
• Scripting in Bash, Python, or C to automate tasks
• Understanding TCP/IP concepts (TCP/UDP/VLAN/DHCP/routing)
• Experience provisioning both physical devices and VMs
• Security+ or CCNA or equivalent IAT Level II (IAT Level III a plus)
• Experience hardening devices and updating DISA STIG checklists
• Experience patching/remediating in closed/air-gapped networks

Responsibilities

• Lead, mentor, and task a team of systems and network engineers with high engineering standards
• Architect and oversee installation of server/networking devices in standard racks and enclosures
• Perform regular server updates, patch management, and software installations across the enterprise
• Operate and maintain physical and virtual servers running Red Hat, Windows, and VMware
• Install and provision hardware and evaluate future hardware needs
• Implement, maintain, and review security processes to ensure RMF readiness and STIG compliance
• Develop and maintain golden OS images and VMs for business areas
• Create, review, and maintain detailed documentation of systems and networks for varied stakeholders

Skills

Team leadership

VMware

Bash, Python, or C scripting

Networking troubleshooting

Red Hat Linux

Security and compliance

TCP/IP fundamentals

Hardware provisioning

PKI concepts

DISA STIG/ RMF readiness

Education

Bachelor's degree in Computer Science or IT

Tools

VMware NSX-T

Cisco Switching

Ruckus networking devices

Job description

About The Role:

Innovative Defense Technologies (IDT), a leading defense technology company, is seeking a Senior IT Systems Engineer to be part of our Advanced Capabilities team and based out of our Arlington, VA or San Diego, CA locations.

The Senior IT Systems Engineer will be responsible for leading a team of engineers to build out, integrate, and secure various IT systems. This engineer will oversee the maintenance, engineering lifecycle, and strict security compliance on systems both in the Arlington IDT Office as well as at various customer sites. A successful candidate should also drive automation strategies, mentor junior team members, establish engineering best practices, and act as a primary technical liaison with stakeholders.

Clearance & Location Requirements

• All applicants must currently possess an active Secret U.S. Security Clearance.
• This is a fully on-site position, based out of our Arlington, VA location.

Job Details

Department: Engineering

Employment Type: Full Time

Location: Arlington, VA

Address: 4401 Wilson Boulevard Suite 810, Arlington, Virginia, 22203

Workplace type: Onsite

Compensation: $135,000 - $273,000 / year

What You Will Do:

• Lead, mentor, and task a team of systems and network engineers, establishing high engineering standards and directing engineering workflows.
• Architect, design, and oversee the installation of various server/networking devices within standard server racks as well as pelican-based enclosures.
• Perform regular server updates, patch management, and software installations across the enterprise.
• Operate and Maintain servers both virtual and physical in nature running a variety of Operating Systems to include Red Hat, Windows, and VMWare products.
• Install and provision newly purchased pieces of hardware equipment and evaluate future hardware needs.
• Implement, maintain, and review security processes to maintain compliance and ensure user permissions are set accordingly, leading the team in updating DISA STIG checklists and preparing systems for RMF assessments.
• Help develop and maintain various golden images in support of business area activities to include operating system images and virtual machines.
• Creating, reviewing, and maintaining detailed documentation of systems and networks for usage by both technical and non-technical stakeholders.

Who You Are (Required):

• Bachelor's degree in Computer Science, Information Technology or equivalent full-time professional experience
• 7+ years' relevant experience required
• 2+ years of experience leading technical teams or directing engineering workflows.
• Previous experience working in efforts that directly support the Department of Defense
• Ability to travel up to 25% of the time as needed
• Extensive experience working in a VMWare Environment or similar virtualization platform.
• Experience Troubleshooting complex network issues of various degrees of complexity.
• Experience with Bash, C, and/or Python scripting to automate tasks.
• Understanding of common TCP/IP concepts to include TCP, UDP, VLANs, DHCP, and routing at a minimum.
• Experience Provisioning and Installing both Physical devices as well as Virtual Machines.
• Security+, CCNA, or equivalent IAT Level II certification (IAT Level III is a plus).
• Experience with hardening devices and updating DISA STIG Checklists.
• Experience with patching and remediating vulnerabilities in a closed/air-gapped network.

What Makes You Stand Out:

• Strong Understanding of Red Hat or similar Linux distributions.
• Experience working with networking within a tactical system.
• Experience with Cisco Switching to include Virtual Port Channeling, VLANs, VRFs, etc.
• Experience with configuring multiple forms of authentication to include PKI concepts.
• Experience with having to identify hardware and/or software for purchase to meet various use-cases.
• Experience with Ruckus-based Network Devices a plus.
• Experience with VMWare NSX-T is a plus.
• Experience with Ansible, PowerShell, Chef, Salt, Puppet, or any other configuration automation software.

Pay Range*: $135,000 - $231,000 or $164,000 - $273,000

This amount may not be reflective of actual compensation that may be earned as pay is dependent on a candidate's experience, skills, and education. The posted range does not include bonuses, commissions, tips, or other benefits. IDT is often looking to place multiple candidates at various levels. Therefore, more than one pay range has been included, commensurate with experience.

Job Benefits

• Generous benefits package
• Competitive PTO
• Paid holidays
• 401(k) with immediate vesting and matching
• 9/80 optional schedule (2nd and 4th Friday off every month)
• Tuition Assistance Reimbursement Program
• Professional Development Resources
• Pre-Tax Commuter Benefits
• Organization-Wide Monthly Tech Connect Events
• Annual Employee Recognition Awards
• Regular Social Events and Catered Lunches

IDT is an Equal Opportunity employer.

About Innovative Defense Technologies

Innovative Defense Technologies (IDT) is a leading defense technology company focused on rapidly delivering mission-critical software and systems solutions to the U.S. government. The company specializes in automation, digital engineering, and enabling the rapid integration of advanced capabilities into complex weapon and combat systems. These essential solutions empower the warfighter to field, operate, and sustain decisive capability at speed and scale.

At IDT, our employees are developing advanced mission-critical outcomes by consistently delivering high-quality results, fostering innovation, applying rigorous problem-solving, and effectively collaborating across multifaceted teams and stakeholders. Grounded in these competencies, IDT translates complex customer priorities into robust software solutions.

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