Computer Network Operations (CNO) Developer (Android) Cohere Technology Group LLCComputer Network Operations (CNO) Developer (Android)Arlington, VAWhen assessing candidates for the CNO Developer position, Cohere is looking for candidates with the following knowledge, skills, and abilities: Coding – Candidates should be able to demonstrate experience coding in C/C++ and Python, including understanding Object Oriented Programming, Networking (sockets), Multithreading, and implementing cryptographic protocols for data at rest and data in transit. Exploitation – You should have in depth knowledge with a wide range of techniques, including stack and heap attacks such as buffer overflows, off by one vulnerabilities, memory leaks, and format string attacks, and understand how to bypass protections like DEP and ASLR.
NOC Engineer LeidosNOC EngineerChantilly, VirginiaAugust 14, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Real-Time Monitoring: Watch over network performance, server health, bandwidth utilization, and core infrastructure via enterprise monitoring tools, such as SolarWinds and Splunk.
Senior Systems Engineer Chenega CorporationSenior Systems EngineerVienna, VADeploy and configure ArcGIS in a wide variety of environments across operating systems, cloud providers, security architectures, customer types, and organizations, to meet the customer's service level agreement. 5+ years of professional experience in a similar position supporting similar responsibilities Experience designing, implementing, and/or administering enterprise ArcGIS or other comparable IT systems (desktop, server, and online).
Network Engineer 2 - Tysons, VA M.C. Dean, IncNetwork Engineer 2 - Tysons, VATysons , VirginiaFull timeAs part of the team, the Network Engineer’s responsibilities will include (but will not be limited to) the following: Implement approved network changes—switching, routing, wireless, firewall, SD-WAN, VPN, and cloud networking—following established designs, configuration baselines, and change-management procedures. This role is the network analog to our developer-platform Systems Engineer role and is focused on day-to-day operations, change implementation, and lifecycle support of deployed systems—working under the direction of senior network engineers and architects.
Senior Information Systems Security Engineer (ISSE) DAn SolutionsSenior Information Systems Security Engineer (ISSE)Reston, VAFull timeNo Telework.· Designs, develops, and recommends integrated security system and physical control solutions that will ensure proprietary/confidential data and systems are protected· Assist team in DIA's Authorization and Accreditation (A&A) process using RMF across the design lifecycle for classified systems obtaining and maintaining Interim Authorization to Test (IATT), Authority to Connect (ATC) and Authorization to Operate (ATO)· Offers technical engineering services for the support of integrated security systems and solutions, managing information-related risks effectively· Works closely with the client during the strategic design process to translate security and business requirements into actionable technical designs· Configures and validates secure systems and physical controls, and tests security products and systems to detect security weakness· Develop comprehensive system test plans (STP) to assess the security posture of the information systems· Analyze scan results and security findings to prioritize remediation efforts and implement corrective measures· Participate in incident response activities and assist in the resolution of security incidents as needed Requirements:· Exhibits advanced Windows administration capabilities and Linux proficiency for optimal system management· Security credentials, certifications, and experience commensurate with the job description· Practical experience deploying, maintaining, and troubleshooting security tools· Demonstrates the ability to critically assess current practices, identify deficiencies, propose innovative solutions, and effectively implement these improvements· Thrives in a fast-paced, complex environment; displays exceptional poise and an unwavering commitment to hard work· Displays excellent problem-solving abilities and attention to detail· Experience with each of the following security tools: Assured Compliance Assessment Solution (ACAS), Trellix, Splunk, and Security Technical Implementation Guide (STIG)'s· Collaborate with stakeholders to identify security requirements and ensure alignment with organizational objectives· Stay abreast of the latest security trends, technologies, and best practices to continually enhance the security posture of the information systems· A Bachelor's Degree from an accredited institute in an area applicable to this position and four (4) years of relevant experience· An additional four (4) years of relevant experience may be substituted for the bachelor's degree· Must presently be 8570 compliant (IAT Level 2 preferred); must be 8570 compliant (IAT Level 2) by date of security indoctrination with any necessary continuing education (CE) for certification Desired Qualifications:· Familiar with tiered security environments (U, S, TS)· Deep understanding of Trellix antivirus suite of products· Knowledge of Splunk architecture and experience structuring multi-level queries· Windows expert - capable of advanced Powershell scripting and general administrative functions· Experience with one or more commercial government cloud service provider's system accreditation process· Experience as a Cybersecurity Control Assessor for SAP· Experience with Ongoing Authorizations and Assessments· Experience with C2S Cloud, or DevOpsSec Salary Range Disclaimer: The posted salary range represents the good-faith minimum and maximum compensation DAn Solutions expects to pay for this position. ISSE are as follows:· Provides technical expertise to ensure the network systems meet DIA C&A and IA requirements and are properly certified and accredited· Responsibilities are full-time on customer's onsite and will cover classified programs and Special Access Programs (SAP).
NewCyber Systems Engineer Technical Specialist - ISSE Rite-Solutions IncCyber Systems Engineer Technical Specialist - ISSEVAThere are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. Program Description: The program provides Systems Engineering and Technical Assistance (SETA) core and non-core support in the areas of Cyber Security and Management to improve the Information Assurance (IA) posture of a National customer.
Cloud Security Architect Booz Allen HamiltonCloud Security ArchitectMcLean, VirginiaOnsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. You’ll work closely with stakeholders, Security and Compliance teams, and architects to implement secure cloud solutions, design assessment methodologies, and establish continuous monitoring strategies.
Mid-Level DevOps Engineer GliaCell TechnologiesMid-Level DevOps EngineerColumbia, MD$115,000–$190,000 / yearWe also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. Architect and develop best practices for software build tools (Gradle, Maven, ANT, Shell) and continuous integration tools (Jenkins, Bamboo), and infrastructure automation (Amazon Web Services, VMWare, Puppet, Chef, ansible, etc.).
Senior Cybersecurity Engineer MobiusSenior Cybersecurity EngineerWashingtonMobius is an award winning, Small Business Administration (SBA) certified Historically Underutilized Business Zone (HUBZone) company and certified Woman-Owned Small Business (WOSB) providing engineering, analytical, and programmatic expertise to the Federal Government and commercial customers. Support the phasing and fielding of cybersecurity solutions for existing systems and future needs through planned integration of the necessary cyber related architectural features and tools to protect the confidentiality, integrity and availability of the systems, networks platform mission and operation.
Splunk Engineer - Active Ts/Sci Required ENS Solutions, LLCSplunk Engineer - Active Ts/Sci RequiredReston, VAENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results. You'll perform hands-on evaluation, implementation, and operation of leading security Cyber defense tools and technologies and apply in-depth defense strategies for large and complex networks to rapidly identify vulnerabilities and threats, prioritizing response actions, including developing effective countermeasures.
Senior Network Modernization & Policy Analyst CACISenior Network Modernization & Policy AnalystAlexandria, VirginiaThis position independently supports an Action Officer and serves as the primary SME driving enterprise-wide network modernization across the Department of Defense Information Network (DoDIN) including DISN optimization, MILDEP network convergence, tactical edge cloud initiatives, and Mission Partner Environment (MPE) capability development. Support the development and coordination of implementation plans to modernize and optimize network capabilities (e.g., DISN, MILDEP network convergence, and edge cloud) in support of DoD priorities to increase security, enhance effectiveness, and gain efficiencies across the DoDIN.
Radiant Logic Engineer - TS/SCI with CI POLY ENS Solutions, LLCRadiant Logic Engineer - TS/SCI with CI POLYReston, VASince 2014, ENS Solutions has been a trusted partner for the Department of Defense (DoD) and Intelligence Community (IC), providing innovative solutions in the core competency areas of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, Systems Engineering, Program/Project Management and IT support. As a Systems Engineer supporting the Government, you will be trusted with supporting an enterprise - wide Identity, Credential, and Access Management (ICAM) implementation effort, as well as Identity Access Management (IAM) solutions and systems to facilitate User Life-Cycle Management.
Hybrid Cloud Engineer ECLAROHybrid Cloud EngineerWashington DC, DC$130,000–$140,000 / yearCloud Operations & Reliability: Experience designing highly available systems using Azure-native tools for monitoring, backup, disaster recovery, and cost optimization. Virtualization & Core Infrastructure: Deep expertise in VMware (vSphere, ESXi, NSX, vCenter, SRM) and enterprise compute, storage, networking, and Active Directory.
Principal Network Security Engineer Alarm.com IncorporatedPrincipal Network Security EngineerTysons Corner, VA$167,500–$185,250 / yearWe collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies. The categories of Personal Information that we may collect include your name, government-issued identification number(s), email address, mailing address, other contact information, emergency contact information, employment history, educational history, criminal record, and demographic information.
101731 Senior Network Engineer - Fairfax, VA ManpowerGroup Public Sector101731 Senior Network Engineer - Fairfax, VAFairfax, VirginiaJoin a high-performing senior-level networks team tasked with architecting, designing, implementing, and maintaining a large-scale, mission-essential multi-agency network infrastructure. You’ll play a key role in shaping and sustaining secure, scalable, and resilient networking environments across data centers, transport layers, and rack-level infrastructure.
Senior Network Engineer - TS/SCI ParsonsSenior Network Engineer - TS/SCICentreville, VirginiaEngineer and sustain hybrid connectivity between on-premises networks and Microsoft Azure, including VPN gateways, ExpressRoute, virtual network (VNet) architecture, routing, and network security groups in coordination with the cloud engineering team. In this role, you will design, implement, secure, and sustain enterprise network infrastructure supporting classified hybrid environments that span on-premises data center and server room infrastructure as well as multiple cloud environments.
NewPalo Alto SME Abile Group, Inc.Palo Alto SMESpringfield, VirginiaAbile Group, founded in July 2004 to support the Intelligence Community and its contractors across Enterprise Analytics, IT & Systems Engineering, and Program & Project Management, merged with Valiant Solutions in January 2026 - an established provider of cybersecurity technologies and services for Federal Agencies since 2005. With significant experience serving the Federal Government, we remain dedicated to our employees and clients and seek high‑performing professionals who excel at providing guidance, developing solutions, and delivering implementation support that blends industry best practices with client expertise and Abile’s broad technical capabilities.
Senior Cloud Engineer-Active (TS/SCI with CI Poly) VibrintSenior Cloud Engineer-Active (TS/SCI with CI Poly)Sterling, VAFull timeWorking alongside many of the most talented professionals in public service, we work tirelessly to create and sustain new solutions and services that meet the stringent demands across a variety of customer missions. To meet growing client demand, we are continuously seeking top talent across our core competencies, building a strong pipeline of exceptional professionals ready to support current and future mission needs.
Senior DevOps Engineer Private Cloud Edition (PCE) Johnson Technology Systems IncSenior DevOps Engineer Private Cloud Edition (PCE)Reston, VARemote$146,000–$151,000 / yearSubstantial hands-on experience (typically 7+ years) in DevOps, Site Reliability Engineering, or cloud infrastructure roles, including: - Proven track record deploying, managing, and optimizing solutions on public cloud platforms (AWS, Azure, GCP). - Lead the design, deployment, configuration, and maintenance of client solutions on public cloud platforms (AWS, Azure, GCP) with a focus on high availability, scalability, and security.
Platform as a Service (PaaS) Engineer - Active (TS/SCI with CI-Poly) VibrintPlatform as a Service (PaaS) Engineer - Active (TS/SCI with CI-Poly)Springfield, VAFull timeQualifications: Enterprise-Level Cloud Platform Engineering Expertise: Demonstrated ability to design, oversee, and validate secure, automated cloud and hybrid deployments supporting mission-critical systems, with emphasis on IaC and CI/CD automation. The role assists the Government Program Management Office (GPMO) in managing cloud and on-prem resources, to include AWS, UDS, and Enterprise GIS components to ensure the environment remains cost-optimized, resilient, and performant.