Job Overview
Job description
- Salary:
- USD 119,323 - 202,850 per year
- Work arrangement:
- On-site
Role Summary
Please note: This role is contingent upon a contract award. While it is not an immediate opening, we are actively conducting interviews and extending offers in anticipation of the award.
The Work
ICF is seeking an experienced Systems Engineer to support the design, implementation, operation, and maintenance of enterprise network infrastructure supporting critical federal programs. The Systems Engineer will be responsible for ensuring the reliability, availability, performance, and security of network hardware, operating systems, and communication infrastructure. This role requires strong technical expertise in network engineering, systems administration, troubleshooting, and infrastructure modernization within complex enterprise environments.
Responsibilities
The selected candidate will support the administration, maintenance, and enhancement of enterprise network infrastructure while ensuring high availability and operational performance. The Systems Engineer will perform systems engineering activities across network hardware, operating systems, and communication technologies while providing technical support, troubleshooting complex issues, and assisting with infrastructure modernization initiatives. This individual will work closely with network engineers, system administrators, cybersecurity personnel, and project leadership to maintain secure and reliable IT operations.
- Supervise, coordinate, and perform additions, upgrades, and changes to enterprise network hardware, operating systems, and connected devices.
- Investigate, analyze, recommend, configure, install, and test new network hardware, software, and infrastructure components.
- Provide day-to-day operational support for enterprise network infrastructure and operating systems.
- Monitor system utilization, network performance, and response times to ensure optimal system availability.
- Diagnose and resolve complex network, communications, and infrastructure issues.
- Troubleshoot network connectivity at both the physical and logical layers using network measurement tools and diagnostic software.
- Perform hardware testing, configuration validation, and communication protocol analysis.
- Participate in the planning, design, technical review, implementation, and deployment of new network infrastructure and operating systems.
- Support voice and data communication networks, ensuring reliable and secure network services.
- Maintain network infrastructure standards, configurations, and documentation.
- Configure, monitor, and support TCP/IP networking and other enterprise communication protocols.
- Collaborate with cybersecurity, systems administration, and engineering teams to ensure secure network operations.
- Provide technical consultation, mentoring, training, and operational support to IT staff as directed.
- Develop and maintain technical documentation, network diagrams, standard operating procedures, and system configurations.
- Support infrastructure modernization, performance optimization, and continuous improvement initiatives.
Requirements
- Bachelor's Degree in Computer Science, Information Systems, Computer Engineering, or a related technical discipline.
- 8+ years of experience supporting enterprise network infrastructure and systems engineering.
- US citizenship is required by government agency.
- Candidate must be able to obtain and maintain the required government security clearance.
- Candidate must reside in the U.S., be authorized to work in the U.S., and all work must be performed in the U.S.
What We Would Like You to Bring with You
- Experience configuring, administering, and troubleshooting network hardware and operating systems.
- Experience supporting enterprise voice and data communication networks.
- Strong understanding of TCP/IP networking, routing, switching, and network communication protocols.
- Experience diagnosing and resolving complex infrastructure and communication issues.
- Experience supporting infrastructure implementation, upgrades, and technology refresh initiatives.
Hands-on experience with
- Enterprise network infrastructure design and administration
- TCP/IP networking and communication protocols
- Routing and switching technologies
- Windows Server and Linux operating systems
- Network monitoring and performance management tools
- Network diagnostic and troubleshooting tools
- DNS, DHCP, VPN, and firewall technologies
- Virtualization technologies (VMware, Hyper-V, or similar)
- Cloud networking (AWS, Microsoft Azure, and/or Google Cloud Platform)
- Infrastructure automation and scripting (PowerShell, Python, Bash, or similar)
- Network security best practices and system hardening
- Experience supporting Federal Government IT infrastructure is preferred.
- Industry certifications such as Cisco CCNA/CCNP, CompTIA Network+, Security+, Microsoft, VMware, or equivalent certifications are highly desirable.
- Experience supporting highly available, mission-critical enterprise environments.
- Familiarity with ITIL processes and infrastructure lifecycle management.
- Experience participating in disaster recovery, business continuity, and infrastructure resilience planning.
Professional Skills
- Strong analytical and troubleshooting skills with the ability to diagnose and resolve complex technical issues.
- Excellent verbal and written communication skills.
- Strong organizational skills with exceptional attention to detail.
- Ability to manage multiple priorities and support critical operational environments.
- Demonstrated ability to work independently while collaborating effectively with multidisciplinary technical teams.
- Commitment to delivering reliable, secure, and high-performing enterprise infrastructure.
- Experience supporting remote or hybrid operational teams is preferred.
Bot and Third-Party Applications
Please note that this application must be submitted directly by the applicant for consideration. Failure to do so may result in the application being excluded for consideration. Applicants needing an accommodation for disability or religious purposes in connection with the application process should contact for assistance.
Working at ICF
ICF is a global advisory and technology services provider, but we’re not your typical consultants. We combine unmatched expertise with cutting-edge technology to help clients solve their most complex challenges, navigate change, and shape the future.
We can only solve the world's toughest challenges by building a workplace that allows everyone to thrive. We are an equal opportunity employer.Together, our employees are empowered to share theirexpertiseand collaborate with others to achieve personal and professional goals. For more information, please read our EEOpolicy.
We will consider for employment qualified applicants with arrest and conviction records.
Reasonable Accommodations are available, including, but not limited to, for disabled veterans, individuals with disabilities, and individuals withsincerely heldreligious beliefs, in all phases of the application and employment process. To requestan accommodation,please email and we will be happy toassist. All information you provide will be kept confidential and will be used only to the extentrequiredto provide needed reasonable accommodations.
Read more about workplace discrimination rightsor our benefit offerings which are included in the Transparency in (Benefits) CoverageAct.
Candidate AI Usage Policy
At ICF , we are committed to ensuring a fair interview process for all candidates based on their own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) tools to generate orassistwith responses during interviews (whether in-person or virtual) is notpermitted. This policy is in place tomaintainthe integrity and authenticity of the interview process.
However, we understand that some candidates may require accommodation that involves the use of AI. Ifsuch anaccommodation is needed, candidates are instructed to contact us in advance at . Weare dedicated to providingthe necessary support to ensure that all candidates have an equal opportunity to succeed.
Pay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position.
The pay range for this position based on full-time employment is:
$119,323.00 - $202,850.00Nationwide Remote Office (US99)
Location
This position is remote and requires that the job be performed in the United States. If you accept this position, you should note that ICF monitors employee work locations and blocks access from foreign locations/foreign IP addresses and prohibits personal VPN connections.
Our core work hours are 10:00 AM – 4:00 PM Eastern Time, with flexibility to start earlier or work later depending on your time zone. Please note that project meetings may occasionally begin before 10:00 AM Eastern to accommodate client requirements.
Limited travel may be required for customer meetings, infrastructure deployments, or team collaboration.
About the Company
Why Join Our Reservist Team?
About On-Call Employment with ICF
Due to the seasonal or project-specific nature of our disaster and emergency management work, ICF hires professionals as "On-Call" employees. On-Call employees are scheduled for work as it becomes available, with the freedom to accept or decline assignments. Individuals may work on concurrent projects outside of their ICF assignments, provided there is no conflict of interest.
For many professionals, this model provides the opportunity to contribute to meaningful disaster recovery efforts while maintaining flexibility and pursuing other professional interests.
Please provide an updated resume that highlights experience relevant to the qualifications listed below, including construction, estimating, disaster recovery, FEMA Public Assistance, infrastructure assessment, and related technical expertise, where applicable.
Support communities during some of their most critical moments of recovery.
Apply your expertise to meaningful, real-world challenges.
Gain experience across a variety of disaster recovery programs and geographies.
Work alongside experienced disaster recovery professionals committed to helping communities rebuild.
Enjoy the flexibility of on-call employment while remaining connected to impactful work.
- Role:
- Systems Engineer
- Job Type:
- Full Time
Company profile

ICF
icf.comICF is a global solutions and technology provider that helps clients, including federal agencies, utilities and energy companies, solve complex challenges, navigate change and plan for the future. Its work spans energy demand and grid capacity, data center development, energy efficiency programs, infrastructure and resilience funding, and the modernization of government operations. ICF offers tailored AI solutions and services through ICF Fathom and has been named an OpenAI Select Partner. The company began in 1969 as the Inner City Fund, created to finance businesses in Washington, D.C.
- Headquarters
- Fairfax, Virginia, United States
- Founded
- 1969
- Founders
- Clarence D. Lester
- Funding Stage
- Public