Senior Information Technology Systems Engineer
$130k - $170kChinook Systems Inc.
The Work:
As the Senior IT Systems Engineer , you will provide hands-on Tier 3 troubleshooting, systems administration, infrastructure improvements, enterprise data protection, and workflow automation. You will implement approved changes and provide technical direction to Chinook's managed IT and security services provider, which delivers Tier 1 and Tier 2 support and security operations center (SOC) services. This senior individual-contributor role will own technical execution, documentation, and remediation. You will also provide technical support for AI enablement and other project-based innovation initiatives.
This position is IN-Office at our Corporate Headquarters in Arlington, VA.
Citizenship / Clearance Requirements:
- Must be a U.S. Citizen.
- Must be able to obtain and maintain a Secret security clearance based on customer and project requirements.
Key Responsibilities:
- Resolve complex Tier 3 issues across identity, endpoints, servers, networks, cloud services, and business applications; perform root-cause analysis and provide on-site equipment support.
- Administer on-premises and virtualized infrastructure, FortiGate firewalls, Microsoft 365 GCC, Azure, Entra ID, Intune, SharePoint, and Teams; maintain secure identity, access, and device configurations.
- Coordinate patching, vulnerability remediation, upgrades, and backup and recovery testing with the provider; resolve failures and validate results.
- Direct MSP / MSSP technical work, prioritize escalations, and verify remediation.
- Coordinate SOC incident response, containment, and recovery, escalating risk and service-scope decisions.
- Implement, administer, and test data loss prevention (DLP) and information rights management / digital rights management (IRM / DRM), including classification, encryption, document permissions, and sharing / transfer restrictions.
- Investigate alerts, tune rules, and document gaps.
- Design and maintain IT service management, approval, and electronic-signature workflows using Adobe Sign, or equivalent platforms.
- Translate manager-approved processes into documented workflows.
- Validate requirements and acceptance criteria with process owners, support adoption, and maintain integrations through platform changes.
- Author and maintain detailed technical white papers, SOPs, architecture and workflow diagrams, configuration baselines, runbooks, implementation guides, and test evidence in version-controlled repositories; transfer routine support procedures to the provider.
- Execute formal change management, documenting requirements, technical design, risk and impact, approvals, testing, communications, implementation, rollback, and post-change validation.
- Configure and validate Microsoft Sentinel and provider security-platform integrations, including event delivery, secure data handling, alert ownership, and escalation.
- Support audits, security assessments, SSP / POA&M updates, and approved NIST SP 800-171 / 172 and CMMC safeguards under GRC direction.
- Support AI enablement through assigned configuration, integration testing, documentation, and user assistance within approved policies.
Minimum Qualifications:
- At least 7 years of progressive, hands-on systems administration, infrastructure, or engineering experience, including independent Tier 3 troubleshooting and production change implementation.
- A Bachelor's degree in Information Technology, Computer Science, Cybersecurity, or a related field.
A High School Diploma and 12 years of experience may be considered in lieu of a formal degree.
- An IAT-II satisfying certification such as Security+ or GICSP.
- Strong Microsoft 365, Azure, Entra ID, and Intune administration skills.
- Experience troubleshooting across Windows, identity, networking, DNS, DHCP, and backups.
- Hands-on Fortinet FortiGate experience.
- Applied experience in the implementation, administration and testing of both DLP and IRM / DRM, including classification, encryption, document permissions, sharing restrictions, and policy enforcement.
- Hands-on workflow automation experience with an IT service management platform, and Adobe Sign or an equivalent electronic-signature/document-approval platform. Experience must include workflow configuration, integration, testing, and maintenance.
- Demonstrated ability to automate administration and integrate services using PowerShell or comparable scripting, APIs, and supported workflow tools.
- Demonstrated ability to produce detailed technical white papers, SOPs, system and workflow documentation, and implementation records, and to execute formal change management with approvals, testing, rollback, and post-change validation.
- Experience directing MSP / MSSP technical work, resolving escalations, validating remediation, and supporting security investigations, recovery, and control evidence collection.
- Proficiency with the Microsoft Office Suite (Excel, Word, Outlook, MS Teams, MS Project, PowerPoint).
Preferred Qualifications:
- An Active Secret or higher Security Clearance.
- Relevant advanced infrastructure / security certifications and experience supporting NIST SP 800-171 / 172, CMMC, DFARS, or NISPOM requirements.
- HaloITSM and Adobe Sign experience.
- Microsoft 365 GCC experience.
- Experience with Microsoft Sentinel, Qualys, Microsoft Purview or Fortra information-protection products.
- Experience with CrowdStrike-based SOC integrations.
Physical Considerations:
- Must be able to work in an office environment.
- Must be able to walk construction sites with uneven surfaces, carry up to 50 lbs., climb stairs and ladders, and work both indoors and outdoors in severe weather conditions, in confined spaces, and in dust-generating environments.
- Must be able to maintain spatial awareness and comply with safety standards while working near mechanical and electrical building equipment and systems.
- Must be able to wear Personal Protective Equipment (PPE) where required.
Annual Salary, Dependent Upon Qualifications and Experience: $130,000 – $170,000
Who is Chinook?
Chinook Systems, Inc. is a leader in delivering lifecycle energy security solutions to mission critical government and commercial facility Owners. We specialize in the engineering, construction, commissioning, and operations of intelligent, cyber secure, code compliant, and energy efficient building systems. Our solutions save millions of dollars in utility costs, reduce harmful emissions to the environment, and mitigate cyber‐attacks on facilities. Chinook provides motivated employees with the opportunity to advance in a fast‐growing, innovative, entrepreneurial, and collaborative work environment.
Equal Employment Opportunity Statement:
Chinook Systems Inc. is an Equal Opportunity Employer. We do not discriminate against anyone because of their differences, such as age, disability, ethnicity, religion, national origin, gender, gender identity and expression, or sexual orientation.
Chinook is committed to providing veteran employment opportunities to our service men and women.
- ...a leader in delivering advanced analytic, data engineering, and technology integration solutions in support of the Department... ...Overview:Praescient Analytics is seeking an Information Systems Security Engineer - Senior (ISSE Senior) to support a high-profile federal...SeniorFull timeFor contractors
- ...Senior Information Systems Security Engineer MANTECH seeks a motivated, career and customer-oriented Senior Information Systems Security Engineer to join our team in Washington, D.C. This is an onsite position. The Information Systems Security Engineer (ISSE) will...SeniorWork at office
- ...Senior Cloud Information Systems Security Engineer (ISSE) Mantech seeks a motivated, career- and mission-focused Senior Cloud Information Systems Security Engineer (ISSE) to join our team in Washington, D.C. or Huntsville, AL. This is an onsite position. Responsibilities...SeniorFor contractorsWork at office
$131.3k - $237.35k
...Description As a Senior Information Security Systems Engineer (ISSE) you will join a small team of security engineers providing Information Assurance... .... Research and evaluate candidate emerging technologies to determine cybersecurity effectiveness. Aid stakeholders...SeniorLocal areaImmediate start$146k - $234k
ResponsibilitiesPeraton is seeking an Information Systems Security Engineer - Security Control Assessors (SCA) to support its Federal Strategic Cyber... ...deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at...SeniorContract workShift work$124k - $246.4k
...shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security... ...forward! We are seeking a skilled and motivated Senior Information Systems Security Engineer (ISSE) to join our team and play a pivotal role in...SeniorLive inWork at officeLocal area$146k - $234k
ResponsibilitiesPeraton is seeking an Information Systems Security Engineer - to support its Federal Strategic Cyber programs.Location: Washington... ...deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at...SeniorContract workFor contractorsShift work$115.8k - $212.3k
...evolving business demands. Data Center Design: Manage the systemic design and deployment of edge data center (PoP) network facilities... ...: Bachelor’s degree or higher in Computer Science, Network Engineering, or a related field. Ability to communicate in English and...SeniorRelocation package$176k - $282k
...software solutions, and engineering support for the delivery of system, network, software, and... ...seeking an experienced Senior Network Architect, to... ...Utilize expertise in Cisco technologies, including routers,... ...8669Position Category: Information TechnologyClearance: Top...SeniorContract workFor contractorsWorldwideShift work- ...Senior Solution Architect – Network & Enterprise Architecture Experience: 15 years in network architecture 12 months of contract Pay: 70-74/hr on W2, all inclusive Role Overview We are seeking a Senior Solution Architect to guide IT projects, define network...SeniorContract work
$77.6k - $176k
...we need a seasoned Network Engineer like you who knows how to develop... ...design and architecture, system interoperability, OSI model,... ...deploy new capabilities and technologies. Your knowledge of... ...requirements for access to classified information;Secret clearance is required...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work$190k - $304k
...seeking an experienced Senior Unified Communications Engineer, to join our dynamic Network... ...voice and collaboration systems within a complex network... ...compliance with DoD Information Assurance (IA) requirements... ...solutions and technologies to protect our nation and...SeniorContract workShift work- ...is searching for a Senior Registered Communications... ....Develop Engineering Installation Plans (EIPs... ...maintain Inside Plant (ISP) systems, including fiber, copper... ...and building technologies systems, equipment, components... ...001886Job Category: Information SystemsSchedule: Full...SeniorFull timeContract workLocal area
$130k - $148k
JOB TITLE: F-35 Communications Engineer, SeniorLocation: Arlington,... ...airborne communications-related Information Exchange Requirements (IERs)... ...development -- Includes systems-level IO interface assessments... ...Requirements Working Group, Senior Warfighters Group, and JSF Executive...SeniorContract workTemporary workFor contractorsWork at officeLocal areaRemote workFlexible hours- ...Job Description Senior Solution Architect – Network & Enterprise Architecture \n Experience: 15 years in network architecture \n 12 months of contract \n Pay: 70-74/hr on W2, all inclusive \n \n Role Overview \n We are seeking a Senior Solution Architect...SeniorContract work
- ...Senior Unified Communications Engineer Architect to our team in the Washington DC area... ...'s future arc of technological solutions. Clearance: TS... ...Cloud, etc) Develop system specifications, architecture... ...maintain compliance with DoD Information Assurance requirements...SeniorMonday to Friday
- ...Senior Registered Communications Distribution Designer (RCDD) Competitive Range partners... ...and implementing advanced communication systems within our IT infrastructure and network... ...optimization, system transitions, and technology refreshment projects. The Senior RCDD...SeniorFor contractors
- Stand Together is seeking a Senior Alumni Relations Manager to execute and strengthen a high-impact alumni engagement strategy focused on advancing classical liberal ideas. You will steward and activate a growing network of alumni, deepening engagement, connections, and...Senior
- Peraton in Arlington, VA is seeking a Senior Network Architect to design, implement, and secure scalable network architectures. You will provide architectural guidance and collaborate with cross-functional teams to meet business requirements. The role requires an active...Senior
- ...Enterprise, Song, Supply Chain and Engineering, and Talent, with advanced... ..., Industry and Process, and Technology. We serve approximately 9,00... ...and large-scale distributed systems.Experience developing... ...and paid time off. See more information on our benefits here:U.S. Employee...SeniorWork experience placementLive inWork at officeLocal areaRemote work
$170k - $230k
...Telecommunications Design Engineer III, you’ll serves as a senior telecommunications... ...that you can’t have great technology services without amazing... ...center and telecommunications system designs adhere to DoD requirements... ...condition, genetic information, pregnancy, family...SeniorFull timeLocal areaImmediate start- Peraton seeks a Senior Network Architect to lead strategic design, documentation, and risk management of the Client's network infrastructure. You will assess the current architecture, develop a forward-looking to-be design, and ensure holistic risk mitigation across all...Senior
$99k - $225k
Information System Security EngineerThe Opportunity:You will lead cybersecurity engineering efforts across the full system lifecycle for DoD collateral, SAP and SCI environments... ...risks associated with emerging tools, technologies, and processes.Collaborate with ISSOs, ISSMs...Full timeContract workPart timeWork at officeLocal areaRemote work$154.05k - $278.48k
Leidos has a new and exciting opportunity for an Information Systems Security Engineer (ISSE) SME in our Intel Sector's (IS) Analysis Solutions Business Area (ASBA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission...Full timeImmediate startFlexible hours$165k - $200k
OverviewAMERICAN SYSTEMS, a 100% employee-owned federal contractor, is seeking a highly experienced Information Systems Security Engineer (ISSE) to support Red Hate Enterprise Linux systems in a High Performance Computing (HPC) environment in Arlington, VA.This role includes...For contractorsWork experience placementRelocation package$160k - $220k
...MTSI is seeking a Information Systems Security Engineer (ISSE)whose primary function will be to serve as the Program Office’s information security... ...years' technical experience in cybersecurity, information technology, or systems engineeringMust have experience working...Contract workWork at office$95 - $104 per hour
Information Systems Security Engineer (ISSE)-SMEJob#: 3044835Job Description:Information Systems Security Engineer (ISSE)-SMEPay Rate: $95-$104/hrClearance Required: Must be eligible to obtain/maintain aTS/SCI with CI PolyLocation: (On-site) JBABCertification: CISSP Role...- General Dynamics Information Technology seeks a Cybersecurity Engineer Sr Principal to advance security for a classified enclave supporting federal missions in... ...drive incident response to protect mission-critical systems. The role requires hands-on Linux security, Splunk/...Senior
- Groundswell is seeking an experienced Appian Principal Developer Consultant in McLean, VA. You will lead implementation teams, guide clients, and support various technical projects. Ideal candidates will have 5+ years of experience with Appian solutions, strong problem-...SeniorFlexible hours
$130k - $160k
...scanner issues. Design, implement, and maintain complex information technology systems. Design the basic computing infrastructure to... .... ~5+ years of experience with all aspects of systems engineering, including design and architecture. ~ Demonstrated capability...Full timeContract workTemporary workWork at officeLocal areaMonday to FridayWeekend workDay shiftAfternoon shift
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Information Technology Systems Engineer. Be the first to apply!
- communications engineer Arlington, VA
- transmission engineer Arlington, VA
- telecommunication engineer Arlington, VA
- information systems engineer Arlington, VA
- digital communications systems engineer Arlington, VA
- senior devops engineer remote Arlington, VA
- senior IT project manager Arlington, VA
- senior implementation engineer Arlington, VA
- senior marketer Arlington, VA
- senior partner marketing manager Arlington, VA





