Network Systems Engineer
$104.23k - $145kHII
Requisition Number:30712
Required Travel: 0 - 10%
Employment Type:Full Time/Salaried/Exempt
Anticipated Salary Range:$104231.00-$145000.00
Security Clearance:TS/SCI
Level of Experience:Mid
This opportunity resides with Warfare Systems (WS) a business group within HIIs Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR systems.
HII works within our nations intelligence and cyber operations communities to defend our interests in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity network architecture reverse engineering software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners.
Leadership Mindset at HII Mission Technologies
Leadership at HII is a mindset not a title. Through our Leadership Capability Framework we define how every employee grows leads and contributesregardless of role. It sets the standard for how you can develop yourself and what you can expect from leaders across our organization. We look for candidates who want to grow in alignment with these capabilities:
- Know & Grow Your People Commit to learning and supporting team success.
- Build Relationships Communicate openly collaborate well and build trust.
- Take Ownership Deliver on commitments and take pride in your work.
- Customer First Focus on the mission and those we serve.
- Shape the Future Bring ideas curiosity and continuous improvement.
- Act with Urgency Take initiative and follow through with purpose.
These capabilities guide how all employees contribute to our shared success across Mission Technologies.
Job Description
Mission Technologies is searching for a Network Systems Engineer to join our team in St. Louis MO. This role will help plan and develop telecommunications solutions involving computer and communications equipment. They analyze network alternatives and develop recommendations for improvements.
Essential Job Responsibilities
- Analyze design test and evaluate network systems and services (e.g. LAN/WAN internet/intranet satellite and other data communications environments).
- Perform network modeling analysis and capacity/performance planning to support mission and operational requirements.
- Provide technical leadership and assistance for senior- mid- and junior-level contractor Network Systems Engineers.
- Support PEIN leadership in developing the enterprise network security roadmap modernizing enterprise architecture and integrating AI/automation to improve security and operations.
- Capture stakeholder needs and translate them into clear testable technical requirements with defined thresholds and objectives.
- Communicate technical findings and risk posture to technical and non-technical audiences; develop actionable mitigation plans.
- Coordinate across departments vendors and partner agencies to align priorities and integrate security and operational services.
- Support execution management by defining milestones tracking progress resolving dependencies and ensuring deliverables meet technical and security requirements.
- Manage changes to scope schedule and security requirements to minimize operational disruption.
- Produce weekly status reports risk updates and performance metrics for PEIN Division leadership and stakeholders.
- Facilitate knowledge transfer and operational handoffs to ensure continuity of service delivery.
- Drive process improvement by mapping workflows developing/maintaining SOPs and implementing enhancements to processes tools and security controls; provide project/program management training as needed.
- Assess prioritize and integrate stakeholder demands across Core Service Areas (e.g. TCS UDS EMS Cloud); manage end-to-end delivery and reporting for assigned requirements.
- Participate in technical assessments of network/transport posture; identify vulnerabilities and gaps and recommend scalable secure solutions aligned with performance compliance and cost objectives.
- Support studies and modernization efforts including applying AI/ML to automate workflows and accelerate vetting of IT and network requirements.
- Forecast and manage network/transport resource demand; balance allocation across performance cost schedule and scalability; identify risks to prevent capacity shortfalls or overruns.
Minimum Qualifications
9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience.
- Network technology course/certification in TCP/IP with applied understanding of the following:
- Roles of devices in TCP/IP network
- Details of IP ARP TCP ICMP and UDP
- Functions of FTP Telnet and other applications of TCP/IP
- Use of Voice over IP or VoIP email messaging and multicasting
- Troubleshooting for TCP/IP issues at each network layer
- ITIL Certification.
- DAWIA Program Management Certification.
- Experience managing enterprise network; cybersecurity tool and infrastructure deployments; cloud IAAS and PAAS implementations; and cross domain technology implementations.
- Familiar with the acquisition lifecycle.
- Familiar with the FAR and DFAR rules governing acquisition activities.
- Active U.S. security clearance (Top Secret/SCI).
Preferred Requirements
- Network technology course/certification in one or more areas:
- Configuring TCP/IP on server computers
- Managing and troubleshooting DNS and DHCP
- Installing and configuring network and software infrastructure
- Configuring and managing device routing and remote access
- Monitoring and maintain network infrastructure
- Completion of a specialized wireless network course and/or certification.
The listed salary range for this role is intended as a good faith estimate based on the roles location expectations and responsibilities. When extending an offer HIIs Mission Technologies division takes a variety of factors into consideration which include but are not limited to the roles function and a candidates education or training work experience and key skills.
Our team of more than 7000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR AI and Big Data cyber operations and synthetic training environments to fleet sustainment environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role thats right for you. Apply today. We look forward to meeting you. To learn more about Mission Technologies click here for a short video: HII is more than a job - its an opportunity to build a new future. We offer competitive benefits such as best-in-class medical dental and vision plan choices; wellness resources; employee assistance programs; Savings Plan Options (401(k)); financial planning tools life insurance; employee discounts; paid holidays and paid time off; tuition reimbursement; as well as early childhood and post-secondary education scholarships. Bonus/other non-recurrent compensation is occasionally offered for qualified positions and if applicable to this role will be addressed by the recruiter at the screening phase of application. Why HII
We build the worlds most powerful survivable naval ships and defense technology solutions that safeguard our seas sky land space and cyber. Our workforce includes skilled tradespeople; artificial intelligence machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals. Recognized as one of Americas top large company employers we are a values and ethics driven organization that puts peoples safety and well-being first. Regardless of your role or where you serve at HII youll find a supportive and welcoming environment competitive benefits and valuable educational and training programs for continual career growth at every stage of your career. Together we are working to ensure a future where everyone can be free and thrive.
All qualified applicants will receive consideration for employment without regard to race color religion gender gender identity or expression sexual orientation national origin physical or mental disability age or veteran status or any other basis protected by federal state or local law. Do You Need Assistance
If you need a reasonable accommodation for any part of the employment process please send an e-mail to and let us know the nature of your request and your contact information. Reasonable accommodations are considered on a case-by-case basis. Please note that only those inquiries concerning a request for reasonable accommodation will be responded to from this email address. Additionally you may also call 1- for assistance. Press #3 for HII Mission Technologies.
Required Experience:
IC
- ...leadership for complex infrastructure, network, cloud, identity, backup, resilience, and... ...acceptance evidence. Provide advanced engineering across Microsoft server, Azure,... ...Technical Services governance. Mentor Systems & Network Engineers, conduct peer review...SuggestedPermanent employmentFull timeWork at office
- ...How you'll make an impact in this role Engineering Leadership & Architecture Alignment:... ...engineers across WAN/SD-WAN, route/switch, network security, wireless, application delivery... ...is a leading nonprofit Catholic health system with a culture and associate experience...SuggestedLocal area
$105.4k - $124k
...develops multi-platform converged enterprise engineering solutions targeted to meet existing,... ...cross-functional team targeted for system enhancements for system performance, reliability... ...Skills & ExperienceStrong expertise in network technologies, including TCP/IP, DNS,...SuggestedFull timeLocal areaRemote work3 days per week- ...RentalandAlamo Rent A Carbrands through its integrated global network ofindependent regional subsidiaries. Enterprise Mobility and its... ...be pursuing a degree in computer science computer information systems management information systems or a related information technology...SuggestedTemporary workWork experience placementSummer workInternshipSummer internshipWork at officeRemote workWork from homeMonday to Friday
$110k - $165k
.... This is a Lead Cloud & Infrastructure Engineering position at the Vice President level, which... ...ensuring the seamless operation of IT systems to support business needs effectively.... ...composed of seamlessly integrated datacenter, network, compute, cloud, storage, and database...SuggestedTemporary workLocal areaRemote workFlexible hours$119.77k - $140.9k
...as the technical SME for our enterprise API ecosystem, leading engineering efforts across Apigee OPDK, Apigee Hybrid (Azure), and Apollo... ...program is an Internet-based employment eligibility verification system operated by the U.S. Citizenship and Immigration Services....Full timeWork experience placementLocal area3 days per week$90k - $115k
Back to All JobsSystem Engineer St. Louis, MO OR Chantilly, VA full time Top Secret with... ...- $115,000 Job Description Job Title: System Engineer Clearance: Top Secret... ...systems * Strong understanding of NGA Networking * Proficient reviewing STIG/IAVA scans...Full timeFor contractors- ...System Engineer Contract Location: ST Louis MO Skill: Windows 10 Basics Experience: 10+ years Desk Side Support Responsibilities: Perform onsite troubleshooting and resolution activities. Dispatch acceptance includes: i. Communication to a personal computing device...Contract workFor subcontractorLocal areaRemote work
$78.03k - $97.53k
...than just a job, you'll find a career built on trust, teamwork, and opportunity at OD. Support and maintain the organization’s systems infrastructure, including the implementation of hardware and software. Review previous documents and prepare up-to-date documents,...Full timeTemporary workWork experience placementLocal areaImmediate startShift workDay shift- ...Engineering Systems Engineer 4 Berkeley, MO Posted: 5/12/2026 Job Description Job ID#: 217769 Job Category: Engineering Position Type: Associate - W2 Positions Available: 2 PDS Defense, Inc. is seeking a Remote Systems Engineer 4. Job ID#217...Contract workTemporary workFor contractorsCurrently hiringLocal areaRemote work
- ...RentalandAlamo Rent A Carbrands through its integrated global network ofindependent regional subsidiaries. Enterprise Mobility and its... ...Interest in learning and supporting Splunk for log analysis system monitoring and data visualization in an enterprise IT environment...Temporary workWork experience placementSummer workInternshipSummer internshipWork at officeRemote workWork from homeMonday to Friday
$65k - $85k
...Associate Systems Engineer At Intramotev, we are dedicated to revolutionizing the freight industry by liberating tons of freight from congested... ...transform freight logistics and bring innovation to our rail network. Based in St. Louis, MO, we are committed to promoting...Full timeWork experience placementInternshipWork at officeImmediate startRelocation- ..., storage, artificial intelligence, and networking industries to determine their evolving technology... ...this role you will generate high-level system architecture requirements and ensure the... ...Work cross-functionally with engineering, product management, sales, and marketing...Remote work
- ...Master's may substitute for 2 years). - 5 years of recent and relevant experience in preparing, conducting, and documenting various systems tests to verify system operability and compliance. - 3 years of experience with bug tracking software (e.g., Jira). - 3 years...Minimum wageContract workTemporary workWork experience placement
$164.9k - $223.1k
...great opportunity for professional growth. Find your future with us. Boeing Defense, Space & Security (BDS) is seeking Senior Systems Engineers (Level 4) to join the team in Berkeley, MO. The RM&SH Engineer is responsible for ensuring the reliability, maintainability...Permanent employmentWork experience placementImmediate startRelocationVisa sponsorshipWork visaFlexible hoursShift workDay shift$120.64k - $197.6k
...supporting mission-driven customers. You`ll solve complex technical problems across enterprise infrastructure, operating systems, cloud, networking, security, databased, and ArcGIS while working directly with customers to deliver reliable enterprise solutions. Esri...RelocationRelocation package$75 - $78 per hour
...Title: Sr. Ethernet Network Engineer Location: remote with some travel to client site Duration: 12 months with extension Compensation... ...experience with: BGP EVPN VXLAN 3 years of Linux systems administration experience. 2 years of Python and Ansible...Hourly payRemote workFlexible hoursShift workWeekend work- ...Job Description Job Description WCBinc is looking for a Systems Engineer to join our team to support our intelligence customer activities in St. Louis, MO. JOB DESCRIPTION: Contributes to completion of milestones associated with specific engineering projects...
- ...client seeks a Cloud Database Reliability Engineer to design, build, and evolve automated... ...concepts. ~ Experience with AWS IAM, VPC networking, and security best practices. ~... ...degree in Computer Science, Information Systems, or related field, or an equivalent combination...Hourly payWork at officeLocal area2 days per week3 days per week
$112.2k - $151.8k
...opportunity for professional growth. Find your future with us. Boeing Defense, Space & Security (BDS) is seeking an Experienced Systems Project Engineer (Level 3) to join the F/A-18 Advanced Mission Systems Program in Berkeley, MO. The selected individual would be...Permanent employmentWork experience placementWork at officeImmediate startRelocationVisa sponsorshipWork visaFlexible hoursShift workDay shift$70 - $80 per hour
...now: Senior Azure Platform & Reliability Engineer, Onsite - St. Louis, MO. Start date is... ...organization's most critical Azure-hosted systems. Job Summary Assess critical... ...Azure, including Kubernetes, identity, networking, observability tooling, and infrastructure...Contract workImmediate start- ...time remote position; however, you must reside in one of the following states: AK , FL, GA, NC, SC, OK, TN, TX, MO, VA Sr. Network Engineer Summary: The Senior Network Engineer at UDT is an expert at working in a Cisco & Fortinet powered carrier grade network....Full timeCurrently hiringRemote workWork visaFlexible hours
- ...interested candidates to apply for future consideration. As a Systems Engineer, you will... Lead administration of Linux and Windows... ...infrastructure enhancements. Partner with cybersecurity, network, and development teams to ensure secure, reliable operations....Immediate start
- ...Job Description North Point Technology is looking to hire a Systems Engineer with Linux system administration experience to support cloud... ...tools such as Jira and Confluence Experience with NGA networking environments Qualifications: Bachelor's degree in a relevant...For contractorsFlexible hours
$105.4k - $124k
...at—all from Day One.Job DescriptionU.S. Bank is seeking a z/OS Systems Programmer that has extensive experience in mainframe... ...2, CICS, IMS, MQ, and Db2.Collaborate with storage, security, networking, application development, and capacity planning teams to ensure...Full timeWork experience placementLocal area3 days per week- HV Talent Group is seeking an experienced Systems Engineer to install, service, and support CCTV, access control, burglar alarm, and related security systems for enterprise clients nationwide. The role requires hands-on technical work and the ability to travel as needed...
$18 - $50 per hour
...Perks: Employee discounts at our top customer sites Networking with our global leaders Mentorship from senior employees... ...Digital Industries Software is seeking a Digital Thread & Systems Engineering Intern to support the Capital PreSales organization. This...Remote jobHourly payFull timeInternshipLocal area- ...job prioritizing employee well being.We have a passion for excellence and genuine care for the people making it possible.The Systems Engineer will research, test, evaluate, design, implement, market, train and support enterprise solutions to be offered as new services...Full timeFlexible hours
- Boeing Defense, Space & Security (BDS) is seeking an Experienced Systems Project Engineer (Level 3) to join the F/A-18 Advanced Mission Systems Program in Berkeley, MO. The selected candidate will lead several projects under the Advanced Mission Systems portfolio, coordinating...
$84.24k - $142.48k
...Professional Services team as a Technical Consultant focused on system engineering for ArcGIS Enterprise. In this role, you will work directly... ..., SAML/OIDC, and related protocols), and foundational networking concepts such as TCP/IP, DNS, routing, and TLS Lead customers...RelocationRelocation package
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Network Systems Engineer. Be the first to apply!
- network engineer level Saint Louis, MO
- network consulting engineer Saint Louis, MO
- senior network engineer Saint Louis, MO
- network software engineer Saint Louis, MO
- network engineer - transport Saint Louis, MO
- network developer Saint Louis, MO
- data center network engineer Saint Louis, MO
- network infrastructure engineer Saint Louis, MO
- cisco network engineer Saint Louis, MO
- network engineer Saint Louis, MO






