Title: Network Engineer Location: Lorton, Virginia, United States Job Description: Harmonia Holdings Group, LLC is an award-winning, rapidly growing federal government contractor committed to providing innovative, high-performing solutions to our government clients and focused on fostering a workplace that encourages growth, initiative, creativity, and employee satisfaction. SME Network Engineer Location: Lorton, VA (22079) Citizenship: U.S. Citizen (required for access to DHS IT systems) Clearance: Must be able to obtain and maintain DHS/ICE Fitness Determination (Public Trust), including favorable preliminary Fitness and full NBIS eAPP investigation (SF-85P, OF-306, SSA-89, fingerprints, PREA questionnaire if required) Schedule: Full-time; 8-hour workdays with on-call support as needed. Hybrid Work: Lorton, VA roles may telework up to 2 days per week; 3 days onsite required (subject to mission needs) Travel: Occasional CONUS travel; local travel within 50 miles is not reimbursable Role Overview Harmonia Holdings Group is seeking an experienced SME Network Engineer to support DHS ICE Homeland Security Investigations (HSI) Title III and Linguists Unit (T3LU) under the CALEA program. This role provides hands-on leadership across all network engineering functions, including architecture, routing, switching, firewall engineering, VPN and PKI integration, segmentation design, troubleshooting, and IA/accreditation-grade documentation. The SME ensures the integrity, resilience, and performance of mission-critical CALEA networks and collaborates closely with Systems, Virtualization, Storage, and Field Engineering teams to ensure end-to-end operational success. This position supports DHS’s mission while contributing to Harmonia’s overarching goals: delivering premier technology services, driving mission-focused innovation, sustaining organizational excellence, and being an employer of choice for skilled professionals. Responsibilities Network Architecture & Design - Design, document, and maintain CALEA network architecture, including: - Layer 2/Layer 3 topology - IP address schema and subnetting - VLAN/VRF segmentation - Routing design (OSPF, BGP, EIGRP, static routing) - Firewall zoning, NAT policies, and security segmentation - VPN tunnels, encrypted transport paths, and PKI integrations - COOP/DR network routing and failover paths Produce and maintain authoritative network diagrams, data flows, trust boundaries, and configuration baselines. - Evaluate, recommend, and implement enhancements to improve security, availability, and performance. Network Operations & Troubleshooting - Serve as the primary network engineer for diagnosing, resolving, and preventing outages across the CALEA enterprise. - Perform packet-level analysis (Wireshark/tcpdump), flow analysis, and log correlation to identify and remediate issues. - Lead network upgrades, configuration changes, ACL/policy adjustments, and planned maintenance. - Monitor network performance and availability; tune routing, firewall, and VPN parameters as needed. Firewall, Security & Accreditation Support - Engineer and maintain firewall policies and segmentation (Palo Alto preferred; Fortinet/Cisco ASA experience acceptable). - Support security hardening, vulnerability remediation, and IA/ATO documentation requirements. - Produce accreditation-ready artifacts, including boundary diagrams, data-flow representations, rule documentation, and enclave segmentation maps. - Collaborate with ISSO and security teams to address findings and strengthen compliance posture. Interoperability & Cross-Domain Integration - Document and support network dependencies across Active Directory, DNS/DHCP, VMware/vSphere, SAN/iSCSI/NFS storage, and application tiers. - Validate end-to-end system functionality after network changes. - Partner with Systems, Virtualization, Storage, and Field SMEs to maintain seamless operations across CALEA sites. COOP/DR & Lab Engineering - Contribute to COOP/DR planning, design, and testing to ensure high availability and rapid failover capabilities. - Support lab environment setup for replication, patch validation, and network simulation. Documentation & Mission Coordination - Maintain technical documentation, diagrams, IP plans, SOPs, and configuration repositories. - Coordinate with Harmonia and ICE technical leads to resolve issues, support field operations, and sustain mission readiness. Required Qualifications - Bachelor’s degree in IT, Engineering, or related field OR +5 years equivalent experience. - 10+ years of enterprise network engineering experience with increasing responsibility. Technical Proficiency - Deep hands-on experience with: - Cisco routing/switching (3k–9k platforms) - Palo Alto or Fortinet firewalls and policy design - VPN architecture, IPsec tunneling, PKI integration - Network segmentation using VLANs, VRFs, and security zones - Packet capture and analysis - Network monitoring and telemetry tools (SolarWinds, NetFlow, Splunk, etc.) Demonstrated ability to produce complete network diagrams and architecture documentation based solely on device configuration, logs, and analysis. - Strong understanding of cross-domain interactions (DNS, AD, VMware networking, SAN connectivity). Preferred Certifications - CCNA, CCNP Enterprise or CCNP Security - PCNSE - Fortinet NSE4/NSE5 - CCIE-level competency (or equivalent expertise) Additional certifications may be required after hire and must be obtained within designated timelines. Professional Competencies - Excellent communication skills with both technical and non-technical stakeholders. - Proven ability to work independently in high-pressure, mission-critical environments. - Strong analytical, investigative, and documentation skills. Preferred Experience - Experience supporting federal law enforcement IT systems or CALEA-aligned mission operations. - Hands-on participation in COOP/DR architecture or failover site execution. - Experience with VPN transitions, network segmentation, and multi-site resiliency. - Familiarity with Kubernetes/container environments (e.g., JSI platforms). - Experience supporting 24/7 high-availability operations. Soft Skills - Strong initiative and attention to detail. - Adaptability to evolving mission requirements and operational tempo. - Collaborative approach with technical teams, vendors, and government partners. - Alignment with Harmonia’s principles of excellence, collaboration, curiosity, and integrity. Physical Demands / Work Environment - Must regularly lift/move up to 50 lbs.; occasionally up to 80 lbs. using a hand truck or lift cart. - Requires standing, kneeling, crouching, and navigating server-room environments. - Normal vision and hearing required; moderate server-room noise. #LI #DICE #CJ Here at Harmonia we are pleased to have been repeatedly recognized for our outstanding work culture, the innovative work we do, and the employees on our team who make a difference each day. Some of these recognitions include: - Recognized as a Top 20 "Best Place to Work in Virginia" - Recipient of Department of Labor's HireVets Gold Medallion - Great Place to Work Certification for five years running - A Virginia Chamber of Commerce Fantastic 50 company - A Northern Virginia Technology Council Tech 100 company - Inc. 5000 list of fastest growing companies for eleven years - Two-time SBA SBIR Tibbett's Award winner - Virginia Values Veterans (V3) Certification We recognize that every bit of our success is the result of our teams of hard-working, motivated, and innovative professionals who are proud to call themselves part of the Harmonia family! In addition to competitive compensation, a family-focused culture, and a dynamic, productive work environment, we offer all full-time employees a variety of benefits including, but not limited to - Traditional and HSA- eligible medical insurance plans - 100% employer-paid dental and vision insurance options - 100% employer-sponsored STD, LTD, and life insurance - 5% 401(k) company matching - Flexible-schedules and teleworking options - Paid holidays and PTO Accrual Plans - Paid Parental Leave - Professional development and career growth opportunities - Team and company-wide events, recognition, and appreciation-- and so much more! Check out our LinkedIn, Facebook, and Instagram to find out a little more about who we are and if we are the right next step for your career! Harmonia is an Equal Opportunity Employer providing equal employment opportunity to all employees and applicants for employment without regard to race, color, religion, national origin, age, gender, gender identity, sexual orientation, disability, or genetics. Harmonia does and will take affirmative action to employ and advance in employment individuals with disabilities and protected veterans. To perform the above job successfully, an individual must possess the knowledge, skills, and abilities listed; meet the education and work experience required; and must be able to perform each essential duty and responsibility satisfactorily. Other duties in addition to those listed may be assigned as necessary to meet business needs. Reasonable accommodation will be made to enable an applicant with a disability to successfully apply for and/or perform the essential duties of the job. If you are in need of an accommodation, please contact HR@harmonia.com.

• Responsible for analyzing, optimizing, and troubleshooting mobile data connectivity processes. • Ensure seamless user experience and efficient network operations.

Role Description The Network Engineering Manager provides operational leadership, oversight, and technical expertise for the modernized network design and implementation to support the IT modernization for multiple Air Force and Space Force bases globally. The Network Engineering Manager will be providing resourcing management of technical resources supporting the survey, design, and implementation efforts. This role also supports the interface with other customer network engineers and base related stakeholders. Position will perform the following duties: - Project Planning: Support the technical planning with the chief architect and implementation manager to ensure an appropriate execution across the survey, design, and implementation phases. - Resource Management: Develop and allocate a team of subordinate technical network engineers to perform work remotely, at the home office, or at site. Support the procurement of network material to be tested in the Network Integration Lab (NIL) and/or shipped to site. - Financial Management: Provide human and material resource inputs to the financial team to support the estimate at completion and other financial estimates. - Execution: Coordinate with Government Points of Contact (POCs) to coordinate base access, clearance, escorts, personnel and equipment to ensure project tasks can be completed on time. - Stakeholder Communications: Assist the PM with ensuring clear, consistent, timely and accurate communications are maintained with internal and external project stakeholders. - Technical Support: Provide input into the network design and technical recommendations to the program and operation teams. Other tasks include: - Provides technical, administrative, and operational management of assigned projects, including contract and subcontractor management. - Supervises assigned staff, may include subordinate supervisors and managers including NIL Management. - Develops technical project plans, proposals, reports, and task order and administrative reporting. - Performs detailed technical services on assigned tasks. - Conducts planning and provides recommendations on task workload. - Provides input into risk tracking process. - Attends customer meetings and serves as primary network engineering liaison. - Interacts with vendors, other agencies, and other client staff. - Coordinates development of deliverables and products. - Ensures quality assurance of project deliverables. - Maintains current knowledge of relevant technology as assigned. - Participates in special projects as required. - Reviews project requirements and develops strategies for future work. Qualifications - Education: Bachelor of Science (equivalent years of experience may be substituted in lieu of degree). - Required Experience: 8+ years' experience managing various aspects of enterprise IT projects in the DoD environment. - Required Technical Skills: - Ability to work effectively in a virtual teaming environment. - Thorough understanding of Wired, Wireless, and general IT functions. - Ability to read, analyze and interpret technical procedures, documents and governmental regulations. - Strong commitment to a team environment and the ability to work collaboratively. - Strong coordination and organizational skills. - Excellent written and oral communication skills. - Security Clearance Level: DoD Secret Level Clearance required. - Required Certification: Security+ CE or DoD 8140 equivalent. - US Citizenship Required. - Location: Oklahoma City (Preferred). Benefits - Comprehensive health and wellness packages. - 401K with company match. - Internal mobility team dedicated to helping you own your career. - Professional growth opportunities including paid education and certifications. - Paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. - GDIT Paid Family Leave program provides a total of up to 160 hours of paid leave in a rolling 12 month period for eligible employees. - Short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.

Description As a NeoCloud Senior Network Architect, you will play a critical role in designing and scaling next-generation networking architectures that power AI, ML, and HPC workloads. This role sits at the intersection of strategy and execution from early discovery and requirements gathering to validating architectures and guiding backend implementation. Top Skills - Network Design Architectural Level - NeoCloud - Automation, AI, ML Job Type & LocationThis is a Permanent position based out of New York, NY. Pay and BenefitsThe pay range for this position is $154000.00 - $175000.00/yr. Access to the client's full benefits and PTO offerings. • Unlimited Paid Time Off (PTO) • Incentive compensation plans for all employees • Company-funded 401k contributions • Zero-cost employer-covered health insurance • Annual BYOD (Bring Your Own Device) reimbursement up to $500 • Paid Parental Leave • Transparent, candid culture with 1:1 coaching, performance reviews, and a consistent feedback loop • Quirky, diverse, respectful, high-performing coworkers you’ll want to achieve greatness with! Workplace TypeThis is a fully remote position. Application DeadlineThis position is anticipated to close on Mar 28, 2026. h4>About TEKsystems: We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company. The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law. About TEKsystems and TEKsystems Global Services We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com. The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.